artist,genre,country
M'Z,Jazz Rock/Fusion,France
M-ARTEL,Jazz Rock/Fusion,Russia
M-OPUS,Symphonic Prog,Ireland
MA BANLIEUE FLASQUE,Eclectic Prog,France
MAAD,Jazz Rock/Fusion,Italy
MAAILMANPUU,Crossover Prog,Finland
MAAT LANDER,Psychedelic/Space Rock,Russia
JAME AC GAW,Zeuhl,France
TON ACALPINE,Progressive Metal,United States
MACARTHUR,Crossover Prog,United States
MACCHINA PNEUMATICA,Rock Progressivo Italiano,Italy
JOH ACEY,Jazz Rock/Fusion,United States
IA ACFARLANE,Progressive Electronic,Australia
ALEX ACHACEK,Jazz Rock/Fusion,Austria
MACHIAVEL,Eclectic Prog,Belgium
MACHINE AND THE SYNERGETIC NUTS,Jazz Rock/Fusion,Japan
MACHINE MASS,Jazz Rock/Fusion,Multi-National
TH ACHINE,Psychedelic/Space Rock,Netherlands
MACHINES DREAM,Crossover Prog,Canada
DUNCA ACKAY,Symphonic Prog,United Kingdom
MACKENZIE THEORY,Jazz Rock/Fusion,Australia
MACONDO,Psychedelic/Space Rock,Peru
MACROMARCO,Neo-Prog,Italy
MACROMASSA,RIO/Avant-Prog,Spain
MACROSCREAM,Rock Progressivo Italiano,Italy
MAD ARTWORK,Heavy Prog,Sweden
MAD CRAYON,Rock Progressivo Italiano,Italy
MAD CURRY,Jazz Rock/Fusion,Belgium
MAD FELLAZ,Eclectic Prog,Italy
MAD PUPPET,Neo-Prog,Italy
MAD TEA PARTY,Neo-Prog,Germany
MADAME BLAVATSKY OVERDRIVE,Crossover Prog,United States
MADAME CLAUS,Symphonic Prog,Argentina
MADÁRFOGÁS,Experimental/Post Metal,Hungary
TH ADCAP LAUGHS,Crossover Prog,United Kingdom
MADDEN AND HARRIS ,Prog Folk,Australia
MADDER MORTEM,Tech/Extreme Prog Metal,Norway
MADE IN SWEDEN,Jazz Rock/Fusion,Sweden
MADE OUT OF BABIES,Experimental/Post Metal,United States
MADELGAIRE,Neo-Prog,Belgium
MADEMOISELLE MARQUEE,Psychedelic/Space Rock,United Kingdom
MADISON DYKE,Symphonic Prog,Germany
MADMEN AND SINNERS,Progressive Metal,United States
MICHE ADORE,Psychedelic/Space Rock,Canada
MADRE ATOMICA,Jazz Rock/Fusion,Argentina
MADRIGAL,Crossover Prog,United States
MADRIGAL,Heavy Prog,Germany
MADRUGADA,Rock Progressivo Italiano,Italy
MADSWORD,Progressive Metal,Italy
MAELSTROM,Jazz Rock/Fusion,United States
MAELSTROM,Eclectic Prog,Canada
MAEROR TRI,Progressive Electronic,Germany
MAESTRICK,Progressive Metal,Brazil
MAESTRO TRYTONY,RIO/Avant-Prog,Poland
MAGDALENA,Prog Folk,Spain
MAGDALENA,Symphonic Prog,Japan
MAGDALENA SOLIS,Krautrock,Belgium
MAGELLAN,Heavy Prog,United States
MAGELLANMUSIC,Prog Related,United States
MAGELLANS GHOST,Crossover Prog,United States
MAGENTA,Neo-Prog,United Kingdom
MAGG,Progressive Metal,Mexico
TH AGIC BAND,RIO/Avant-Prog,United States
MAGIC BUS,Canterbury Scene,United Kingdom
MAGIC CARPET,Indo-Prog/Raga Rock,United Kingdom
MAGIC ELF,Progressive Metal,United States
MAGIC LANTERN,Psychedelic/Space Rock,United States
MAGIC MUSCLE,Psychedelic/Space Rock,United Kingdom
MAGIC PIE,Symphonic Prog,Norway
MAGIC SPELL,Symphonic Prog,Switzerland
MAGICAL PLANETS,Eclectic Prog,United States
MAGICAL POWER MAKO,Psychedelic/Space Rock,Japan
MAGICFOLK,Prog Folk,United Kingdom
MAGICIAN'S RED,Symphonic Prog,Finland
MAGICK BROTHER AND MYSTIC SISTER,Psychedelic/Space Rock,Spain
MAGINA,Progressive Electronic,Portugal
MAGISTER DIXIT,Zeuhl,France
JOOS AGLEV,Crossover Prog,Netherlands
MAGMA,Krautrock,Germany
MAGMA,Prog Folk,Argentina
MAGMA,Zeuhl,France
MAGNA CARTA,Prog Related,United Kingdom
MAGNA VICE,Heavy Prog,Finland
MAGNATAR,Crossover Prog,United States
MAGNÉSIS,Neo-Prog,France
MAGNETIC SOUND MACHINE,Jazz Rock/Fusion,Italy
MAGNETIK NORTH,Krautrock,Multi-National
MAGNITUDE 9,Progressive Metal,United States
MAGNOG,Psychedelic/Space Rock,United States
MAGNOLIA,Rock Progressivo Italiano,Italy
MAGNUM,Prog Related,United Kingdom
NIC AGNUS,Symphonic Prog,United Kingdom
MÄGO DE OZ,Progressive Metal,Spain
MAGRATHEA,Symphonic Prog,United Kingdom
MAGYAR POSSE,Post Rock/Math rock,Finland
MAHAGON,Jazz Rock/Fusion,Czech Republic
MAHAVISHNU ORCHESTRA,Jazz Rock/Fusion,Multi-National
TH AHAVISHNU PROJECT,Jazz Rock/Fusion,United States
MAHESH,Experimental/Post Metal,Chile
MAHJUN,Jazz Rock/Fusion,France
MAHOGANY BRAIN,Krautrock,France
MAHOGANY FROG,Eclectic Prog,Canada
MAHOUJIN,Symphonic Prog,Japan
MAHTRAK,Jazz Rock/Fusion,Brazil
MAID MYRIAD,Crossover Prog,United States
BRUC AIN,Crossover Prog,United States
PEP AINA,Progressive Electronic,Italy
MAINHORSE,Symphonic Prog,Switzerland
MAINLINER,Psychedelic/Space Rock,Japan
MAJA DE RADO & PORODICNA MANUFAKTURA CRNOG HLEBA,Prog Folk,Yugoslavia
MAJESTIC,Progressive Metal,Sweden
MAJESTIC,Neo-Prog,United States
MAJESTIC X,Crossover Prog,United States
MAJEURE,Progressive Electronic,United States
MAJOR PARKINSON,Eclectic Prog,Norway
MAJUTSU NO NIWA,Psychedelic/Space Rock,Japan
MAKAJODAMA,Eclectic Prog,Sweden
MAKE A RISING,RIO/Avant-Prog,United States
MAKKIWHIPDIES,Eclectic Prog,United States
MAKO,Progressive Electronic,Austria
MALAAVIA,Rock Progressivo Italiano,Italy
MALACHI,Indo-Prog/Raga Rock,United States
MALACHI,Crossover Prog,United Kingdom
MALADY,Psychedelic/Space Rock,Finland
MALDOROR,Symphonic Prog,France
LE ALEDICTUS SOUND,Proto-Prog,France
DIDIE ALHERBE,Jazz Rock/Fusion,France
MALIBRAN,Rock Progressivo Italiano,Italy
MALICORNE,Prog Folk,France
MALLEUS,Rock Progressivo Italiano,Italy
ERI ALMBERG,Progressive Electronic,Sweden
YNGWI ALMSTEEN,Prog Related,Sweden
MALOMBRA,Heavy Prog,Italy
MALOMENOS,Neo-Prog,Chile
BRIA ALONE,Prog Folk,United States
SEA ALONE,Jazz Rock/Fusion,United States
MALPRACTICE,Progressive Metal,Finland
MAMALEEK,Experimental/Post Metal,United States
MAMMA NON PIANGERE ,RIO/Avant-Prog,Italy
MAMMAL MACHINE,Psychedelic/Space Rock,Japan
MAMMATUS,Psychedelic/Space Rock,United States
MAMMOTH,Experimental/Post Metal,New Zealand
MAMMUT,Eclectic Prog,Germany
MAN,Psychedelic/Space Rock,United Kingdom
MAN DOKI SOULMATES,Jazz Rock/Fusion,Multi-National
MAN MAN,RIO/Avant-Prog,United States
MAN MAY BE,Progressive Metal,United States
MAN MOUNTAIN,Post Rock/Math rock,United States
MAN ON FIRE,Eclectic Prog,United States
MAN ZERO,Post Rock/Math rock,Croatia
MANATEES,Experimental/Post Metal,United Kingdom
MANBURGER SURGICAL,Psychedelic/Space Rock,United States
BARI ANCO,Crossover Prog,Turkey
MANCUNIAN CANDIDATE,Crossover Prog,United States
MANDALABAND,Symphonic Prog,United Kingdom
MANDIBULBE,Experimental/Post Metal,France
MANDILLO,Crossover Prog,Italy
MANDRAGORA,Neo-Prog,Argentina
MANDRAKE,Symphonic Prog,Japan
TH ANDRAKE MEMORIAL,Psychedelic/Space Rock,United States
MANDRAKE PROJECT,Crossover Prog,United States
MANDRILL,Jazz Rock/Fusion,United States
MANDROID ECHOSTAR,Progressive Metal,Canada
MANEIGE,Jazz Rock/Fusion,Canada
MATHEU ANENTE,Progressive Metal,Brazil
MANES,Experimental/Post Metal,Norway
MANGALA VALLIS,Rock Progressivo Italiano,Italy
MANGEUR DE RĘVES,Prog Folk,Canada
MANGROVE,Symphonic Prog,Netherlands
L ANI,Rock Progressivo Italiano,Italy
MANIC DEPRESSIVE PSYCHOSIS,Progressive Metal,Armenia
I ANISCALCO MALDESTRO,Crossover Prog,Italy
MANITOU,Progressive Metal,Finland
MANITOU (NOR),Progressive Metal,Norway
MANFRE ANN CHAPTER THREE,Jazz Rock/Fusion,United Kingdom
MANFRE ANN'S EARTH BAND,Eclectic Prog,United Kingdom
MANFRE ANN'S PLAINS MUSIC,Crossover Prog,South Africa
GEOF ANN,Neo-Prog,United Kingdom
MANNA / MIRAGE,Canterbury Scene,United States
MANNING,Eclectic Prog,United Kingdom
MANOGURGEIL,Jazz Rock/Fusion,Finland
MICHAE ANRING,Jazz Rock/Fusion,United States
MĹNS MOSSA,Prog Related,Sweden
GERAR ANSET,Prog Related,France
BRUN ANSINI,Symphonic Prog,Brazil
MANSUN,Crossover Prog,United Kingdom
MANTA RAY,Psychedelic/Space Rock,Spain
MANTICORA,Progressive Metal,Denmark
MANTICORE,Symphonic Prog,Sweden
MANTIS,Crossover Prog,Canada
MANTIS ATEA,Eclectic Prog,Mexico
MICHAE ANTLER,Jazz Rock/Fusion,Austria
MANTRA,Symphonic Prog,Spain
MANTRA MACHINE,Psychedelic/Space Rock,Netherlands
MANTRA VEGA,Crossover Prog,Multi-National
MANTRIC,Tech/Extreme Prog Metal,Norway
MANTRIC MUSE,Psychedelic/Space Rock,Denmark
MANUSCRIPTS DON'T BURN,Experimental/Post Metal,Italy
MANY ARMS,RIO/Avant-Prog,United States
PHI ANZANERA,Prog Related,United Kingdom
MAOBI,Crossover Prog,France
MAPPE NOOTICHE,Psychedelic/Space Rock,Italy
KEVI APPLEBECK,Psychedelic/Space Rock,United States
MAPS,Post Rock/Math rock,United States
MAPS & ATLASES,Post Rock/Math rock,United States
MAQAMA,Eclectic Prog,Israel
L ÁQUINA DE HACER PÁJAROS,Symphonic Prog,Argentina
MÁQUINA!,Proto-Prog,Spain
MAR DE GRISES,Experimental/Post Metal,Chile
MAR DE ROBLES,Jazz Rock/Fusion,Chile
MAR-VISTA,Progressive Electronic,France
MARAGDA,Heavy Prog,Spain
MARAKESH,Crossover Prog,Netherlands
DAVI ARANHA,Krautrock,Portugal
MARATHON,Neo-Prog,Italy
MARATHON,Crossover Prog,United Kingdom
MARATHON,Neo-Prog,Netherlands
MARATON,Crossover Prog,Norway
MARBIN,Jazz Rock/Fusion,Multi-National
MARBLE HOUSE,Neo-Prog,Italy
MARBLE SHEEP,Psychedelic/Space Rock,Japan
MARC SAINTGLASS,Crossover Prog,Spain
PATRIC ARCEL,Jazz Rock/Fusion,France
MARCHESI SCAMORZA,Rock Progressivo Italiano,Italy
MARCHING MIND,Progressive Metal,Canada
MARCO,Symphonic Prog,Mexico
ALBER ARCOEUR,RIO/Avant-Prog,France
MARE,Experimental/Post Metal,United States
MARE COGNITUM,Experimental/Post Metal,United States
MARGARITAS ANTE PORCOS,Crossover Prog,Latvia
MARGE LITCH,Progressive Metal,Japan
MARGIN,Psychedelic/Space Rock,Germany
LU ARIANNI,Crossover Prog,France
MARIANUS,Crossover Prog,United States
MARIBOR,Progressive Electronic,Italy
MARILLION,Neo-Prog,United Kingdom
ALAI ARKUSFELD,Psychedelic/Space Rock,France
MARLBORO MAN,Prog Folk,Hungary
MARMALADE KNIVES,Psychedelic/Space Rock,United States
MAROON(ED),Crossover Prog,Spain
MARQUETTE,Crossover Prog,Germany
MARRIAGES,Post Rock/Math rock,United States
THOMA ARRIOTT,Jazz Rock/Fusion,United States
MARROW,Tech/Extreme Prog Metal,United States
MARS EVERYWHERE,Psychedelic/Space Rock,United States
MARS HOLLOW,Crossover Prog,United States
MARS RED SKY,Psychedelic/Space Rock,France
TH ARS VOLTA,Heavy Prog,United States
RHY ARSH AND THE AUTUMN GHOST,Crossover Prog,Norway
ALBERT ARSICANO,Indo-Prog/Raga Rock,Brazil
MARSUPILAMI,Eclectic Prog,United Kingdom
MARSYAS,Heavy Prog,Italy
DE ARTENS,Crossover Prog,Argentina
MARTIGAN,Neo-Prog,Germany
FELI ARTIN,Heavy Prog,United States
JUA ARTÍN,Prog Folk,Spain
MARTINI HENRY,Crossover Prog,United States
RUN ARTINSEN & ŘYSTEIN JŘRGENSEN,Progressive Electronic,Norway
MARTONE,Progressive Metal,Canada
JOH ARTYN,Prog Folk,United Kingdom
MARTYR,Tech/Extreme Prog Metal,Canada
ANDRE ARUTTI,Progressive Electronic,Italy
MARY JANE,Prog Folk,United Kingdom
MARY NEWSLETTER,Psychedelic/Space Rock,Italy
MARYGOLD,Symphonic Prog,Italy
MARYSON,Neo-Prog,Netherlands
MASADA,RIO/Avant-Prog,United States
MASADA STRING TRIO / BAR KOKHBA SEXTET,RIO/Avant-Prog,United States
MASCARADA,Neo-Prog,Spain
L ASCHERA DI CERA,Rock Progressivo Italiano,Italy
L ASCHERE DI CLARA,RIO/Avant-Prog,Italy
MASCHERE VUOTE,Jazz Rock/Fusion,Italy
MASCHINE,Progressive Metal,United Kingdom
MASERATI,Post Rock/Math rock,United States
MÁSFÉL,Psychedelic/Space Rock,Hungary
MASHMAKHAN,Prog Folk,Canada
ALE ASI,Progressive Metal,Italy
NIC ASON,Prog Related,United Kingdom
MASQUE,Neo-Prog,Sweden
MASQUE PREMIERE,Symphonic Prog,United States
MASQUERAGE,Progressive Metal,Russia
MASS MEDIA,Jazz Rock/Fusion,Italy
TH ASS,Experimental/Post Metal,United States
MASSACRE,RIO/Avant-Prog,United States
MASSEN,Tech/Extreme Prog Metal,Belarus
MASSFACE,Progressive Metal,Russia
COLI ASSON,Crossover Prog,United Kingdom
MASTER CYLINDER,Canterbury Scene,United States
MASTER EXPERIENCE,Heavy Prog,Italy
MASTER MUSICIANS OF BUKKAKE,Psychedelic/Space Rock,United States
MASTER OF CEREMONY,Neo-Prog,Italy
MASTER OOGWAY,Jazz Rock/Fusion,Norway
MASTER'S HAMMER,Tech/Extreme Prog Metal,Czech Republic
MASTERMIND,Eclectic Prog,United States
MASTERPLAN,Prog Related,Multi-National
TH ASTERS APPRENTICES,Proto-Prog,Australia
MASTERS OF DECEIT,Eclectic Prog,United States
MASTERS OF THE AIRWAVES,Crossover Prog,United States
MASTODON,Tech/Extreme Prog Metal,United States
MASTORD,Progressive Metal,Finland
L ATCH,Prog Folk,Canada
MATCHING MOLE,Canterbury Scene,United Kingdom
MATERIA GRIS,Crossover Prog,Argentina
MATERIAL,Jazz Rock/Fusion,United States
MATERIALEYES,Crossover Prog,United Kingdom
MATERYA,Crossover Prog,Italy
MATHEMATICIANS,Jazz Rock/Fusion,United States
NIAL ATHEWSON,Neo-Prog,United Kingdom
ALEJANDR ATOS,Crossover Prog,Argentina
MATRAZ,Progressive Metal,Chile
MATRIX,Jazz Rock/Fusion,United States
MATS-MORGAN (BAND),Jazz Rock/Fusion,Sweden
MATTER OF TASTE,Prog Related,Austria
MATTERGY,Progressive Metal,Latvia
MATTERHORN,Crossover Prog,Norway
TH ATTERHORN PROJECT,Experimental/Post Metal,United States
TAPI ATTLAR,Prog Folk,Finland
LARS ERI ATTSSON,Progressive Metal,Finland
PETE ATUCHNIAK,Prog Related,United States
MATUSHKA,Psychedelic/Space Rock,Russia
MELANI AU AND MARTIN SCHNELLA,Prog Folk,Germany
MAUDLIN,Experimental/Post Metal,Belgium
MAUDLIN OF THE WELL,Experimental/Post Metal,United States
BENNI AUPIN,Jazz Rock/Fusion,United States
MAVARA,Crossover Prog,Iran
MAX WEBSTER,Prog Related,Canada
MAXIMUM INDIFFERENCE,Crossover Prog,United States
MAXOPHONE,Rock Progressivo Italiano,Italy
MAXWELL'S DEMON,Heavy Prog,United States
MAY BLITZ,Heavy Prog,United Kingdom
MAYADOME,Progressive Metal,Sweden
MAYAN,Tech/Extreme Prog Metal,Netherlands
TH AYAN FACTOR,Crossover Prog,United States
MAYBE,Neo-Prog,France
MAYBE,Eclectic Prog,Argentina
MAYBESHEWILL,Post Rock/Math rock,United Kingdom
MICHAE AYER & DEAN ROUCH,Neo-Prog,United States
MAYFAIR,Crossover Prog,Austria
MAZE OF TIME,Symphonic Prog,Sweden
JI CCARTY,Crossover Prog,United Kingdom
MCCHURCH SOUNDROOM,Krautrock,Switzerland
MCDONALD & GILES,Crossover Prog,United Kingdom
SHELAG CDONALD,Prog Folk,United Kingdom
MCGILL MANRING STEVENS,Jazz Rock/Fusion,United States
SCOT CGILL,Jazz Rock/Fusion,United States
MAR CGUIRE,Progressive Electronic,United States
SIMO CKECHNIE,Crossover Prog,United Kingdom
LE CKINNEY,Progressive Metal,United States
JOH CLAUGHLIN,Jazz Rock/Fusion,United Kingdom
MCLUHAN,Jazz Rock/Fusion,United States
MCM,Progressive Metal,United States
MCOIL,Heavy Prog,Germany
ME AND MY KITES,Prog Folk,Sweden
ME EL-MA,Eclectic Prog,Israel
MEANDERING MINE,Experimental/Post Metal,Germany
MEANS END,Tech/Extreme Prog Metal,Sweden
MEANWHILE BACK IN COMMUNIST RUSSIA,Post Rock/Math rock,United Kingdom
MECHANICAL BUTTERFLY,Crossover Prog,Italy
MECHANICAL MAN,Progressive Metal,Russia
MECHANICAL ORGANIC,Progressive Metal,Australia
MECHANICAL POET,Progressive Metal,Russia
MECHANIK,Psychedelic/Space Rock,Spain
MECHANISM,Tech/Extreme Prog Metal,Canada
MECHANISM (PL),Progressive Metal,Poland
MECKI MARK MEN,Jazz Rock/Fusion,Sweden
MEDEA,Heavy Prog,Netherlands
MEDESKI MARTIN & WOOD,Jazz Rock/Fusion,United States
MEDIABANDA,Jazz Rock/Fusion,Chile
TH EDICINE CABINET,Eclectic Prog,United States
MEDICINE MAN,Neo-Prog,United Kingdom
MEDINA AZAHARA,Symphonic Prog,Spain
MEDITERRANEA,Rock Progressivo Italiano,Italy
MEDULLA,Crossover Prog,United States
MEER,Crossover Prog,Norway
MEERKAT,Progressive Electronic,Italy
MEET ME IN ST. LOUIS,Post Rock/Math rock,United Kingdom
MEGACE,Tech/Extreme Prog Metal,Germany
MEGAN QUARTET,Jazz Rock/Fusion,Estonia
NICOLA EIER,Jazz Rock/Fusion,Switzerland
HA EIRZADH,Eclectic Prog,Israel
HUB EISEL,Progressive Metal,Germany
MEKHLIN,Crossover Prog,Denmark
MEKONG AIRLINES,Post Rock/Math rock,Germany
MEKONG DELTA,Tech/Extreme Prog Metal,Germany
MELANGE,Psychedelic/Space Rock,Spain
MELIMELUM,Prog Folk,Argentina
MELIORA,Eclectic Prog,Mexico
MACIE ELLER,Crossover Prog,Poland
MELLONTA TAUTA,Rock Progressivo Italiano,Italy
MELLOW CANDLE,Prog Folk,Ireland
MELODIC ENERGY COMMISSION,Psychedelic/Space Rock,Canada
MELODRAMUS,Heavy Prog,United States
MELODY,Crossover Prog,France
MELTING CLOCK,Rock Progressivo Italiano,Italy
MELTING EUPHORIA,Psychedelic/Space Rock,United States
MELTINGAZE,Tech/Extreme Prog Metal,Germany
MELVIN'S NOSEHAIR,Symphonic Prog,Netherlands
MEMBERS OF GOD,Progressive Metal,Italy
MEMENTO WALTZ,Progressive Metal,Italy
MEMFIS,Tech/Extreme Prog Metal,Sweden
MEMORIANCE,Symphonic Prog,France
MEMORIES LAB,Progressive Metal,Italy
MEMORIES OF A DEAD MAN,Experimental/Post Metal,France
MEN OF LAKE,Eclectic Prog,Italy
JACQUE ENACHE,Symphonic Prog,Mexico
MENAHEM,Progressive Metal,Brazil
MENAYERI,Neo-Prog,Puerto Rico
MENCEA,Tech/Extreme Prog Metal,Greece
MENDEL,Progressive Metal,Netherlands
MENISCUS,Experimental/Post Metal,Australia
MENTAL FRACTURE,Heavy Prog,Israel
MENTAT ROUTAGE,Jazz Rock/Fusion,France
MENTAUR,Neo-Prog,United Kingdom
MERCHANTS VICE,Neo-Prog,United Kingdom
MERCURIAL VOID,Progressive Metal,United States
TH ERCURY PROGRAM,Post Rock/Math rock,United States
MERCURY REV,Prog Related,United States
MERCURY RISING,Progressive Metal,United States
TH ERCURY TREE,Heavy Prog,United States
MERCURY X,Progressive Metal,Sweden
MERCY TRAIN,Neo-Prog,United Kingdom
MERČT,Symphonic Prog,Argentina
MERGING CLUSTER,Crossover Prog,Italy
MERKABAH,Progressive Metal,Canada
MERKABAH,Psychedelic/Space Rock,Poland
MERLIN,Symphonic Prog,Germany
MERLIN,Crossover Prog,Argentina
TH ERLIN BIRD,Prog Folk,Australia
STEV ERLIN,Crossover Prog,Netherlands
MERLIN; SWARA; ILOR & FRIENDS,Krautrock,Multi-National
MERMAID KISS,Crossover Prog,United Kingdom
MERROW,Progressive Metal,United States
MERRY GO ROUND,Crossover Prog,Italy
WOLFGAN ERX,Progressive Electronic,Germany
MESCALINER,Post Rock/Math rock,Netherlands
MESEGLISE,Crossover Prog,Italy
MESHUGGAH,Tech/Extreme Prog Metal,Sweden
MESMERICO,RIO/Avant-Prog,Italy
MESS,Psychedelic/Space Rock,Estonia
MESSA,Experimental/Post Metal,Italy
MESSAGE,Psychedelic/Space Rock,Germany
MESSAGGIO 73,Rock Progressivo Italiano,Italy
MESSENGER,Prog Folk,United Kingdom
MESSENGERS,Jazz Rock/Fusion,Germany
MESTIS,Progressive Metal,United States
META,Crossover Prog,United States
METABOLISME,Symphonic Prog,France
METABOLISMUS,Krautrock,Germany
METABOLIST,RIO/Avant-Prog,United Kingdom
METACONCIENCIA,Crossover Prog,Mexico
METAL-O-PHONE,RIO/Avant-Prog,France
METALLIC TASTE OF BLOOD,Post Rock/Math rock,Multi-National
METALLICA,Prog Related,United States
METALMORPHOSIS,Tech/Extreme Prog Metal,Poland
METALURGIA,Progressive Metal,Dominican Republic
METALWOOD,Jazz Rock/Fusion,Multi-National
METAMORFOSI,Rock Progressivo Italiano,Italy
METAMORFOSIS,Jazz Rock/Fusion,Spain
METAMORPHOSIS,RIO/Avant-Prog,Czech Republic
METAMORPHOSIS,Neo-Prog,Switzerland
METANOMIA,Heavy Prog,Argentina
METAPHOR,Neo-Prog,United States
METAPHYSICAL ANIMATION,Eclectic Prog,United States
METAPHYSICS,Progressive Metal,Italy
METATAG,Progressive Electronic,Norway
PA ETHENY,Jazz Rock/Fusion,United States
METHEXIS,Crossover Prog,Greece
METHODICA,Progressive Metal,Italy
METHONIA,Progressive Metal,Denmark
METRO EXPO,Crossover Prog,Belgium
METROGNOM,Eclectic Prog,Norway
METROID METAL,Progressive Metal,United States
METRONHOMME,Crossover Prog,Italy
METROPOLIS,Krautrock,Germany
METROPOLIS VI,Progressive Metal,Spain
METUS,Crossover Prog,Poland
MEW,Crossover Prog,Denmark
SA EWETT,Progressive Electronic,United Kingdom
EMERSO EYERS,Progressive Electronic,United States
MEYVN,Progressive Metal,United States
MEZQUITA,Symphonic Prog,Spain
MEZZ GACANO,RIO/Avant-Prog,Italy
CARL EZZANOTTE & SYNTAXIS,Jazz Rock/Fusion,Italy
MIA,Symphonic Prog,Argentina
MIAOU,Post Rock/Math rock,Japan
MIASMA & THE CAROUSEL OF HEADLESS HORSES,RIO/Avant-Prog,United Kingdom
MICAH,Heavy Prog,United States
MICE ON STILTS,Crossover Prog,New Zealand
MIS ICEVSKI,Jazz Rock/Fusion,Serbia
RIGE ICHELENA,Jazz Rock/Fusion,Venezuela
MICHIRU,Eclectic Prog,Japan
DAVID MAXI ICIC,Progressive Metal,Serbia
MICKIE D'S UNICORN,Progressive Electronic,Germany
MICKYLEE,Jazz Rock/Fusion,Serbia
MICROKINGDOM,RIO/Avant-Prog,United States
MIDAS,Symphonic Prog,Japan
MIDAS FALL,Post Rock/Math rock,United Kingdom
MIDDAY VEIL,Psychedelic/Space Rock,United States
TH IDDLE-EARTH BAND,Jazz Rock/Fusion,Finland
MIDIAN,Crossover Prog,Italy
MIDLAKE,Prog Folk,United States
MIDNIGHT AIRSHIP,Psychedelic/Space Rock,Canada
MIDNIGHT CIRCUS,Prog Folk,Germany
MIDNIGHT SUN,Progressive Metal,United Kingdom
MIDNIGHT SUN / EX RAINBOW BAND,Jazz Rock/Fusion,Denmark
MIDNIGHT ZOMBIE ALLIGATOR,Psychedelic/Space Rock,Spain
MIDWINTER,Prog Folk,United Kingdom
MIGALA,Post Rock/Math rock,Spain
MIGHT COULD,Crossover Prog,United States
MIGHTY BABY,Crossover Prog,United Kingdom
TH IGHTY RA,Neo-Prog,United Kingdom
MIGHTY ZAZUUM,Heavy Prog,Croatia
MIGRATION PERIOD,Crossover Prog,Russia
RADOMI IHAJLOVIC,Jazz Rock/Fusion,Yugoslavia
IVA IHALJEVIC,Progressive Metal,Croatia
MIIST,Psychedelic/Space Rock,Poland
MIJA,Psychedelic/Space Rock,United States
MIKLAGĹRD,Symphonic Prog,Sweden
MIKROMIDAS,Symphonic Prog,Norway
LA IL DE ZAFIRO,Crossover Prog,Argentina
MILANKU,Post Rock/Math rock,Canada
CLAUDI ILANO,Progressive Electronic,Italy
MILE MARKER ZERO,Progressive Metal,United States
MILES FROM PANGAEA,Psychedelic/Space Rock,United States
BARR ILES,Jazz Rock/Fusion,United States
MILESTONE,Heavy Prog,Russia
MILHAVEN,Post Rock/Math rock,Germany
MILKWEED,Symphonic Prog,Canada
MILKY WAY GAS STATION,Crossover Prog,Netherlands
MILLENIUM,Neo-Prog,Poland
MILLENNYA,Crossover Prog,Norway
MILLER & COXHILL,Canterbury Scene,United Kingdom
MILLER TWINS,RIO/Avant-Prog,United States
MAR ILLER,Crossover Prog,United States
PHI ILLER,Canterbury Scene,United Kingdom
RIC ILLER,Crossover Prog,Canada
MARI ILLO,Symphonic Prog,Australia
MILLPLAT,Crossover Prog,Japan
MILO BLACK,Psychedelic/Space Rock,United Kingdom
MIMEDYR,Eclectic Prog,Norway
MIMESIS,Progressive Metal,United States
MINAMI DEUTSCH,Krautrock,Japan
MINAS TIRITH,Progressive Metal,Norway
DAVI INASIAN,Symphonic Prog,United States
MIND,Crossover Prog,United States
MIND FURNITURE,Crossover Prog,United States
MIND GALLERY,Jazz Rock/Fusion,Canada
MIND GATE,Progressive Metal,Poland
MIND KEY,Progressive Metal,Italy
MIND OVER FOUR,Progressive Metal,United States
MIND OVER MIRRORS,Progressive Electronic,United States
MIND PORTAL,Progressive Metal,Russia
MIND SKY,Symphonic Prog,United States
MIND SPLIT EFFECT,Crossover Prog,France
MIND!,Psychedelic/Space Rock,Spain
MIND'S EYE,Progressive Metal,Sweden
MIND-ASHES,Tech/Extreme Prog Metal,Germany
MIND:SOUL,Progressive Metal,Netherlands
MINDCRAFTER,Progressive Metal,Brazil
MINDFIELDS,Prog Related,Poland
MINDFIELDS FACTORY,Progressive Metal,Hungary
MINDFLOW,Progressive Metal,Brazil
MINDFLOWER,Rock Progressivo Italiano,Italy
MINDFLOWERS,Jazz Rock/Fusion,Hungary
MINDFOLD EXPRESS,Experimental/Post Metal,Bulgaria
MINDGAMES,Neo-Prog,Belgium
MINDMOVIE,Crossover Prog,Germany
MINDSLAVE,Progressive Metal,Argentina
MINDSPEAK,Crossover Prog,Austria
MINDSPLIT,Progressive Metal,Sweden
MINDWALK BLVD,Progressive Metal,United States
MINDWARP CHAMBER,Progressive Metal,United States
MINDWORK,Tech/Extreme Prog Metal,Czech Republic
JOH INER,Eclectic Prog,United States
MINI (TÖRÖK ÁDÁM & MINI),Eclectic Prog,Hungary
MINIMUM VITAL,Eclectic Prog,France
MINIMUS,Post Rock/Math rock,Portugal
MINIONTV,Post Rock/Math rock,United Kingdom
TH INISTRY OF INSIDE THINGS,Progressive Electronic,United States
MARC INNEMANN,Eclectic Prog,Germany
MINOKE?,Jazz Rock/Fusion,Japan
INOR FOREST,Post Rock/Math rock,United States
MINOR GIANT,Neo-Prog,Netherlands
MINOTAURUS,Symphonic Prog,Germany
MINSK,Experimental/Post Metal,United States
MINSTREL,Rock Progressivo Italiano,Italy
TH INSTREL'S GHOST,Crossover Prog,United States
MINUS TWO,Symphonic Prog,Germany
MINUTIAN,Progressive Metal,Finland
MIOSIS,Experimental/Post Metal,Sweden
TH IRACLE,Progressive Metal,Indonesia
MIRAGE,Jazz Rock/Fusion,France
MIRAGE,Rock Progressivo Italiano,Italy
PER IRALLES,Crossover Prog,Spain
MIRANDA SEX GARDEN,Prog Folk,United Kingdom
JAVIE IRANDA,Progressive Electronic,Spain
MIRAYON,Progressive Metal,Switzerland
TH IRE,Experimental/Post Metal,United Kingdom
MIRIODOR,RIO/Avant-Prog,Canada
MIROIST,Progressive Metal,United Kingdom
MIRRELIA,Crossover Prog,Canada
MIRROR,Symphonic Prog,Netherlands
MIRROR,Post Rock/Math rock,Japan
MIRROR PEOPLE,Crossover Prog,United States
MIRRORMAZE,Progressive Metal,Italy
MIRRORTHRONE,Experimental/Post Metal,Switzerland
MIRTHKON,RIO/Avant-Prog,United States
MIRTHRANDIR,Eclectic Prog,United States
MISANTHROFEEL,Experimental/Post Metal,Russia
MISCELLANE,Progressive Metal,Slovakia
VLADIMI ISIK,Crossover Prog,Czech Republic
MISSA MERCURIA,Progressive Metal,Germany
MISSIGNO,Eclectic Prog,Greece
MISSING INK,Heavy Prog,Italy
MISSING LINK,Jazz Rock/Fusion,Germany
MISSION JUPITER,Progressive Metal,Belarus
MISSUS BEASTLY,Jazz Rock/Fusion,Germany
MIST SEASON,Jazz Rock/Fusion,Finland
TH ISTAKES,Jazz Rock/Fusion,United States
MISTER KITE,Progressive Metal,Sweden
MISTER ROBOT,Symphonic Prog,Russia
MISTY MOUNTAIN FOUNDATION,Psychedelic/Space Rock,Finland
KENN ITCHELL,Crossover Prog,United Kingdom
MITHRIDATUM,Tech/Extreme Prog Metal,Multi-National
MITTELWINTERNACHT '71,Krautrock,Germany
TOSHIYUK IYAMA & HIS NEW HERD / MASAHIKO SATOH,Jazz Rock/Fusion,Japan
MIZRAAB,Progressive Metal,Pakistan
MIZUKAGAMI,Symphonic Prog,Japan
MIZUTAMA SHOBODAN,RIO/Avant-Prog,Japan
KIMI IZUTANI,Eclectic Prog,Japan
MK II,Neo-Prog,United Kingdom
DRAG LINAREC,Prog Folk,Yugoslavia
MMCIRCLE,RIO/Avant-Prog,Canada
MOĞOLLAR,Prog Folk,Turkey
MO.DO.,Rock Progressivo Italiano,Italy
MOANAA,Experimental/Post Metal,Poland
MOBIUS,Neo-Prog,United Kingdom
MÖBIUS PROJECT,Rock Progressivo Italiano,Italy
MOBIUS STRIP,Jazz Rock/Fusion,Italy
MOBIUS STRIP,Jazz Rock/Fusion,United States
MOBY TRIP,Psychedelic/Space Rock,New Zealand
MOCAH,Heavy Prog,Argentina
MOD FLANDERS CONSPIRACY,Experimental/Post Metal,United States
MODERN DAY BABYLON,Progressive Metal,Czech Republic
MODERN MAN,Tech/Extreme Prog Metal,United States
MODERN-ROCK ENSEMBLE,Neo-Prog,Ukraine
MODEST MIDGET,Crossover Prog,Netherlands
ODIUM,Rock Progressivo Italiano,Italy
MÓDULO 1000,Heavy Prog,Brazil
MOE! STAIANO / MOE!KESTRA!,RIO/Avant-Prog,United States
MOEBIUS,Tech/Extreme Prog Metal,Italy
MOEBIUS CAT,Crossover Prog,Canada
DIETE OEBIUS,Progressive Electronic,Germany
MOETAR,Crossover Prog,United States
BARA OFFITT,Crossover Prog,United States
MOGADOR,Crossover Prog,Italy
MOGUL THRASH,Jazz Rock/Fusion,United Kingdom
MOGWAI,Post Rock/Math rock,United Kingdom
MOHODISCO,Psychedelic/Space Rock,United States
MOIRA,Jazz Rock/Fusion,Germany
MOJO POJO,Eclectic Prog,Venezuela
MOKSHA,Progressive Electronic,United Kingdom
MOLASSESS,Heavy Prog,Netherlands
COLI OLD,Prog Folk,United Kingdom
MOLECULE,Psychedelic/Space Rock,France
MOLESLOPE,Canterbury Scene,Japan
MOLITOTH,Crossover Prog,United States
HEDVI OLLESTAD TRIO,Heavy Prog,Norway
MOLNIJA AURA,Progressive Electronic,Italy
MOLOKEN,Experimental/Post Metal,Sweden
NILS PETTE OLVĆR,Jazz Rock/Fusion,Norway
MOLYBARON,Experimental/Post Metal,France
MOMBASA,Jazz Rock/Fusion,Multi-National
MOMBU,RIO/Avant-Prog,Italy
MOMENTUM,Experimental/Post Metal,Iceland
MŘN,Post Rock/Math rock,France
MONA LISA,Symphonic Prog,France
MONARCH,Psychedelic/Space Rock,United States
MONARCH TRAIL,Neo-Prog,Canada
MONDO DRAG,Psychedelic/Space Rock,United States
MONDRIAN OAK,Experimental/Post Metal,Italy
CLAR ONDSHINE,Progressive Electronic,Germany
MONGOL,Jazz Rock/Fusion,Japan
MONJOIE,Crossover Prog,Italy
MONKEY PUZZLE TRIO,RIO/Avant-Prog,United Kingdom
MONKEY3,Psychedelic/Space Rock,Switzerland
MONNAIE DE SINGE,Crossover Prog,France
LORENZ ONNI,Rock Progressivo Italiano,Italy
MONO,Post Rock/Math rock,Japan
MONOBEAT ORIGINAL,Krautrock,Germany
MONOBODY,Jazz Rock/Fusion,United States
MONOCEROS,Post Rock/Math rock,Mexico
MONOGLOT,RIO/Avant-Prog,Switzerland
MONOGONO,Tech/Extreme Prog Metal,Portugal
MONOLITH,Symphonic Prog,United States
MONOLITH MOON,Progressive Metal,Portugal
MONOLITHE,Tech/Extreme Prog Metal,France
MONOMYTH,Psychedelic/Space Rock,Netherlands
MONOTON,Progressive Electronic,Austria
TH ONROE TRANSFER,Post Rock/Math rock,United Kingdom
MONSEIGNEUR,Prog Folk,Switzerland
MONSIEUR DUBOIS,Jazz Rock/Fusion,Netherlands
MONTECHIARI PROJECT,Crossover Prog,Brazil
MONTECRISTO,Neo-Prog,Indonesia
MONTEFELTRO,Rock Progressivo Italiano,Italy
GUSTAV ONTESANO,Symphonic Prog,Argentina
GEN KE ONTGOMERY,Progressive Electronic,United States
MONTIBUS COMMUNITAS,Indo-Prog/Raga Rock,Peru
MONTREAL,Prog Folk,Canada
MONTRESOR,Heavy Prog,Australia
MONUMENT / EX ZIOR,Heavy Prog,United Kingdom
MONUMENTUM,Experimental/Post Metal,Italy
MOOCH,Psychedelic/Space Rock,United Kingdom
MOOD TAEG,Krautrock,Multi-National
MOODMAN,Neo-Prog,Poland
TH OODY BLUES,Crossover Prog,United Kingdom
MOOGG,Jazz Rock/Fusion,Italy
MOOLAH,Krautrock,United States
MOOM,Canterbury Scene,United Kingdom
TH OON AND THE NIGHTSPIRIT,Prog Folk,Hungary
MOON DUO,Psychedelic/Space Rock,United States
MOON FOG PROPHET,Psychedelic/Space Rock,Finland
MOON GOONS,Psychedelic/Space Rock,United States
MOON LETTERS,Heavy Prog,United States
MOON OF OSTARA,Krautrock,United Kingdom
MOON OF SOUL,Tech/Extreme Prog Metal,Hungary
MOON PHANTOMS,Psychedelic/Space Rock,Multi-National
MOON SAFARI,Symphonic Prog,Sweden
MOON TAN,Heavy Prog,Canada
MOON TOOTH,Progressive Metal,United States
MOONCAKE,Post Rock/Math rock,Russia
MOONCHILD TRIO,RIO/Avant-Prog,United States
MOONDANCER,Prog Related,Japan
TH OONDIG,Krautrock,Belgium
MOONGARDEN,Symphonic Prog,Italy
MOONGRESSIVE,Heavy Prog,Italy
MOONLIGHT,Crossover Prog,Poland
MOONLIGHT AGONY,Progressive Metal,Sweden
MOONLIGHT CIRCUS,Progressive Metal,Italy
MOONLIGHT COMEDY,Progressive Metal,Italy
MOONLIGHT SKY,Crossover Prog,Slovenia
MOONLIT SAILOR,Post Rock/Math rock,Sweden
MOONLOOP,Tech/Extreme Prog Metal,Spain
MOONLYGHT,Progressive Metal,Canada
MOONPARTICLE,Eclectic Prog,Multi-National
MOONRISE,Neo-Prog,Poland
MOONSHINE BLAST,Crossover Prog,France
MOONSORROW,Tech/Extreme Prog Metal,Finland
MOONSPELL,Tech/Extreme Prog Metal,Portugal
MOONSTONE,Prog Folk,Canada
MOONWAGON,Psychedelic/Space Rock,Finland
MOONWOOD,Krautrock,Canada
TH OOR,Psychedelic/Space Rock,Sweden
MICHAE OORCOCK & THE DEEP FIX,Crossover Prog,United Kingdom
MOORE / MYERS,Progressive Electronic,United States
KE OORE,Progressive Electronic,United States
STEV OORE,Progressive Electronic,United States
MOOSE LOOSE,Jazz Rock/Fusion,Norway
TH OOSE,Psychedelic/Space Rock,United States
MOPHO,Crossover Prog,Brazil
MORA-TAU,Progressive Electronic,Japan
MORAINE,Eclectic Prog,United States
MORAINES,Experimental/Post Metal,Croatia
MORAZ & BRUFORD,Jazz Rock/Fusion,Multi-National
PATRIC ORAZ,Crossover Prog,Switzerland
MORBID COAL,Progressive Metal,Switzerland
MORBUS CHRON,Tech/Extreme Prog Metal,Sweden
MORDECAI SMYTH,Crossover Prog,United Kingdom
EDUARD ORENO,Eclectic Prog,Spain
MORGAN,Symphonic Prog,United Kingdom
MÖRGLBL,Eclectic Prog,France
MORIA FALLS,Neo-Prog,United Kingdom
MORIER,Progressive Metal,United States
MORILD,Symphonic Prog,Norway
MORKOBOT,RIO/Avant-Prog,Italy
KLAU ORLOCK,Progressive Electronic,United States
MORMOS,Prog Folk,United States
MORNA,Tech/Extreme Prog Metal,Slovakia
MORNE,Experimental/Post Metal,United States
MORNING,Progressive Metal,Netherlands
MORNING SKY,Jazz Rock/Fusion,United States
TH ORNINGSIDE,Experimental/Post Metal,Russia
MOROWE,Experimental/Post Metal,Poland
MORPH,Progressive Metal,Sweden
MORPHELIA,Neo-Prog,Germany
MORPHEUS,Jazz Rock/Fusion,Germany
MORPHEUS PROJECT,Crossover Prog,Multi-National
MORRIGAN,Crossover Prog,France
TH ORRIGAN,Prog Folk,United Kingdom
MORRIGHANS,Crossover Prog,France
STEV ORSE BAND,Eclectic Prog,United States
MORSE CODE,Symphonic Prog,Canada
ALA ORSE,Jazz Rock/Fusion,United States
NEA ORSE,Symphonic Prog,United States
TI ORSE,Symphonic Prog,United States
MORSOF,Jazz Rock/Fusion,Japan
MORTA,Jazz Rock/Fusion,Canada
MORTE MACABRE,Heavy Prog,Sweden
L ORTE VIENE DALLO SPAZIO,Psychedelic/Space Rock,Italy
MORTIFERIA,Experimental/Post Metal,Norway
MORVISCOUS,RIO/Avant-Prog,United Kingdom
MOSAĎC,RIO/Avant-Prog,France
MOSAICO,Rock Progressivo Italiano,Italy
MOSAICO HIBRIDO,Crossover Prog,Brazil
MOSAIK,Jazz Rock/Fusion,Germany
MOSAIK,Symphonic Prog,Sweden
MOSE GIGANTICUS,Experimental/Post Metal,United States
MOSER WOODS,Eclectic Prog,United States
SCOT OSHER,Progressive Electronic,United States
MOSKAU,Experimental/Post Metal,Germany
MOSS UPON THE SKULL,Tech/Extreme Prog Metal,Belgium
MŘSTER!,Jazz Rock/Fusion,Norway
MOSTLY AUTUMN,Prog Folk,United Kingdom
MOTAE,Crossover Prog,United States
MOTEK,Post Rock/Math rock,Belgium
MOTEUR!,RIO/Avant-Prog,France
MOTH VELLUM,Symphonic Prog,United States
MOTHER DUST,Psychedelic/Space Rock,Germany
MOTHER ENGINE,Psychedelic/Space Rock,Germany
MOTHER GONG,Psychedelic/Space Rock,United Kingdom
MOTHER MALLARD'S PORTABLE MASTERPIECE CO. ,Progressive Electronic,United States
MOTHER OF FIRE,Psychedelic/Space Rock,United States
MOTHER OF MILLIONS,Progressive Metal,Greece
MOTHER SUPERIOR,Crossover Prog,United Kingdom
MOTHER TURTLE,Heavy Prog,Greece
MOTHER'S CAKE,Crossover Prog,Austria
MOTHER-UNIT,Psychedelic/Space Rock,Netherlands
MOTHERJANE,Heavy Prog,India
MOTHERSHIP,Psychedelic/Space Rock,United States
MOTHLITE,Crossover Prog,United Kingdom
MOTHS,Neo-Prog,United Kingdom
MOTHS & LOCUSTS,Psychedelic/Space Rock,Canada
MOTION SICKNESS OF TIME TRAVEL,Progressive Electronic,United States
MOTION THEORY,Crossover Prog,United Kingdom
MOTIONLESS,Post Rock/Math rock,United States
MOTIS,Prog Folk,France
MOTO ARMONICO,Progressive Metal,Italy
MOTO PERPETUO,Crossover Prog,Brazil
MOTOR HUMMING,RIO/Avant-Prog,Japan
MOTOR TOTEMIST GUILD,RIO/Avant-Prog,United States
MOTORPSYCHO,Eclectic Prog,Norway
MŘTRIK,Krautrock,United States
MOULETTES,Prog Folk,United Kingdom
MICHE OULINIE,Progressive Electronic,France
MOUNTAIN MEN ANONYMOUS,Post Rock/Math rock,United Kingdom
MOUNTAIN MIRRORS,Crossover Prog,United States
MOUNTAIN OCEAN SUN,Progressive Electronic,Japan
MOUNTAINS,Progressive Electronic,United States
MOUNTAINS BECAME MACHINES,Experimental/Post Metal,United Kingdom
MOURA,Psychedelic/Space Rock,Spain
MOURNING CLOAK,Prog Folk,United States
MOURNING KNIGHT,Symphonic Prog,United States
MOURNING PHASE,Prog Folk,United Kingdom
TH OURNING,Progressive Metal,United States
MOUSE ON THE KEYS,Jazz Rock/Fusion,Japan
ZUZ OUSSAWER,Jazz Rock/Fusion,Brazil
MOUTH,Eclectic Prog,Germany
MOUTH OF THE ARCHITECT,Experimental/Post Metal,United States
ALPHONS OUZON,Jazz Rock/Fusion,United States
TH OVE,Proto-Prog,United Kingdom
MOVEMENT OF STATIC,Experimental/Post Metal,Greece
TH OVEMENTS,Psychedelic/Space Rock,Sweden
MOVING GELATINE PLATES,Canterbury Scene,France
MOVING HEARTS,Prog Folk,Ireland
MOVING MAZES,Crossover Prog,Switzerland
MOVING MOUNTAINS,Post Rock/Math rock,United States
MOVING STRUCTURES,Post Rock/Math rock,United States
MOYA,Post Rock/Math rock,Belarus
MOZZARELLA,Crossover Prog,Ecuador
MPXXIV,RIO/Avant-Prog,Switzerland
MR QUIMBY'S BEARD,Psychedelic/Space Rock,United Kingdom
MR. ALBERT SHOW,Crossover Prog,Netherlands
MR. BROWN,Prog Folk,Sweden
MR. BUNGLE,RIO/Avant-Prog,United States
MR. EGO,Progressive Metal,Brazil
MR. EUPHORIA,Eclectic Prog,United States
MR. GIL,Neo-Prog,Poland
MR. GOSHNESS,Crossover Prog,Canada
MR. HYDE,Eclectic Prog,Chile
MR. MAPS,Post Rock/Math rock,Australia
MR. SIRIUS,Canterbury Scene,Japan
MR. SO & SO,Neo-Prog,United Kingdom
MR. TOAD,Prog Folk,Israel
MROCTOPUS,Tech/Extreme Prog Metal,Portugal
MRS. KITE,Heavy Prog,Germany
MT. AMBER,Crossover Prog,Germany
MT. MOUNTAIN,Psychedelic/Space Rock,Australia
I UCCHIO,Rock Progressivo Italiano,Italy
MUCHO TAPIOCA,RIO/Avant-Prog,France
MUD MOTHS,RIO/Avant-Prog,United States
MUDDY WORLD,Post Rock/Math rock,Japan
MUDWAY,Neo-Prog,Italy
MUDY ON THE SAKUBON,Post Rock/Math rock,Japan
TH UFFIN MEN,RIO/Avant-Prog,United Kingdom
TH UFFINS,Canterbury Scene,United States
MUGEN,Symphonic Prog,Japan
MUGGLE,Post Rock/Math rock,China
MUGSTAR,Psychedelic/Space Rock,United Kingdom
L UJER BARBUDA,RIO/Avant-Prog,Argentina
MULA,RIO/Avant-Prog,Colombia
DOMINI ÜLLER,Eclectic Prog,Germany
MULLMUZZLER,Progressive Metal,Canada
THE ALMA ULO BAND,Progressive Electronic,United Kingdom
MULTI-STORY,Neo-Prog,United Kingdom
MULTIFUSE,Crossover Prog,United Kingdom
MUMPBEAK,Heavy Prog,United Kingdom
MUNDI DOMINI,Prog Folk,Canada
L UNECA DE SAL,Post Rock/Math rock,Spain
MUNJU,Krautrock,Germany
JONA UNK,Progressive Electronic,Denmark
JESÚ UŃOZ FERNÁNDEZ,Symphonic Prog,Spain
MURKY RED,Crossover Prog,Belgium
MURMUR,Tech/Extreme Prog Metal,United States
MURPHY BLEND,Heavy Prog,Germany
JAME URPHY,Progressive Metal,United States
MURPLE,Rock Progressivo Italiano,Italy
MURSIC,Progressive Metal,United States
MUSE,Prog Related,United Kingdom
MUSEO HETERODOXO,RIO/Avant-Prog,Peru
MUSEO ROSENBACH,Rock Progressivo Italiano,Italy
MUSHGOONS,Psychedelic/Space Rock,Italy
MUSHROOM,Prog Folk,Ireland
MUSHROOM,Psychedelic/Space Rock,United States
MUSHROOM GIANT,Psychedelic/Space Rock,Australia
MUSHROOM'S PATIENCE,Krautrock,Italy
MUSHY,Progressive Electronic,Italy
MUSIC EMPORIUM,Psychedelic/Space Rock,United States
MUSIC STATION,Progressive Metal,Bulgaria
MUSICA D'REPUESTO,RIO/Avant-Prog,Cuba
MUSICA DISPERSA,Prog Folk,Spain
MUSICA FICTA,Eclectic Prog,Israel
MUSICA TRANSONIC,RIO/Avant-Prog,Japan
MÚSICA URBANA,Jazz Rock/Fusion,Spain
MUSIQUE NOISE,Zeuhl,France
MUSK OX,Prog Folk,Canada
FRANC USSIDA,Rock Progressivo Italiano,Italy
MUSTARD GAS AND ROSES (MGR),Post Rock/Math rock,United States
O UTANTES,Psychedelic/Space Rock,Brazil
MUTE ALBINO,Neo-Prog,Belgium
TH UTE GODS,Crossover Prog,United Kingdom
MUTINY IN JONESTOWN,Neo-Prog,United States
MUTYUMU,Experimental/Post Metal,Japan
MUZAK,Crossover Prog,Switzerland
MY BELOVED,Post Rock/Math rock,Denmark
MY BITTER END,Tech/Extreme Prog Metal,United States
MY BROTHER THE WIND,Psychedelic/Space Rock,Sweden
MY DAD VS YOURS,Post Rock/Math rock,Canada
MY DYING BRIDE,Tech/Extreme Prog Metal,United Kingdom
MY EDUCATION,Post Rock/Math rock,United States
MY ETERNEL,Crossover Prog,United States
MY NAME IS JANET,Crossover Prog,Multi-National
MY SILENT WAKE,Experimental/Post Metal,United Kingdom
MY SLEEPING KARMA,Psychedelic/Space Rock,Germany
MY SOLID GROUND,Krautrock,Germany
MY SOLILOQUY,Progressive Metal,United Kingdom
MYHYBRIS,Progressive Metal,France
TH YND,Crossover Prog,United Kingdom
MYRATH,Progressive Metal,Tunisia
MYRBEIN,RIO/Avant-Prog,Sweden
MYRIAD,Psychedelic/Space Rock,Australia
MYRIAD,Progressive Metal,United States
MYRMIDION CREED,Progressive Metal,Germany
MYROS,Rock Progressivo Italiano,Italy
TH YRRORS,Psychedelic/Space Rock,United States
MYSTER MÖBIUS,Experimental/Post Metal,Multi-National
MYSTERE DE NOTRE DAME,Progressive Metal,Italy
MYSTERIES OF THE REVOLUTION,Jazz Rock/Fusion,United Kingdom
MYSTERKAH,Neo-Prog,France
MYSTERY,Neo-Prog,Canada
MYSTERY EGG,Psychedelic/Space Rock,United States
MYSTIC,Experimental/Post Metal,Netherlands
MYSTIC FORCE,Progressive Metal,United States
MYTHERY,Progressive Metal,Denmark
MYTHIC SUNSHIP,Psychedelic/Space Rock,Denmark
MYTHO,Crossover Prog,Italy
MYTHODEA,Progressive Metal,Greece
MYTHOLOGIC,Progressive Metal,United States
MYTHOLOGY,Crossover Prog,United States
MYTHOPOEIC MIND,Symphonic Prog,Norway
MYTHOS,Krautrock,Germany
MYTRA,Progressive Metal,Hungary
MYXOMATOSIS,Progressive Metal,Canada