| artist,genre,country | |
| R-11,Jazz Rock/Fusion,Italy | |
| R-U KAISER,Symphonic Prog,Chile | |
| RA CAN ROW,Psychedelic/Space Rock,United States | |
| RA QUINTET,Jazz Rock/Fusion,United States | |
| RABASKA,Prog Folk,Canada | |
| RABBINICAL SCHOOL DROPOUTS,RIO/Avant-Prog,United States | |
| RABBIT RABBIT (CARLA KIHLSTEDT & MATTHIAS BOSSI),Prog Folk,United States | |
| TREVO ABIN,Crossover Prog,South Africa | |
| RACCOMANDATA RICEVUTA RITORNO,Rock Progressivo Italiano,Italy | |
| RACHEL'S BIRTHDAY,Eclectic Prog,Germany | |
| RĹD KJETIL AND THE LOVING EYE OF GOD,Psychedelic/Space Rock,Sweden | |
| RAD ORCHESTRA,Prog Folk,United Kingdom | |
| RADA & TERNOVNIK (RADA & BLACKTHORN),Prog Folk,Russia | |
| RADAR,Experimental/Post Metal,Finland | |
| RADAR,Jazz Rock/Fusion,Estonia | |
| RADAR MEN FROM THE MOON,Psychedelic/Space Rock,Netherlands | |
| RADAVIQUE,Neo-Prog,Netherlands | |
| RADIANT FREQUENCY,Crossover Prog,Norway | |
| RADIATION,Progressive Electronic,Russia | |
| RADIATION 4,Experimental/Post Metal,United States | |
| RADIATION10,RIO/Avant-Prog,France | |
| RADIO FREE ISAAC,Post Rock/Math rock,Croatia | |
| RADIO MASSACRE INTERNATIONAL,Progressive Electronic,United Kingdom | |
| RADIO PIECE III,Jazz Rock/Fusion,United States | |
| RADIOHEAD,Crossover Prog,United Kingdom | |
| RADIOMOBEL,Psychedelic/Space Rock,Sweden | |
| RADIUS,Jazz Rock/Fusion,United Kingdom | |
| RĆDSEL,Post Rock/Math rock,Germany | |
| RAEL,Neo-Prog,Argentina | |
| RAFART,Crossover Prog,Chile | |
| RAG I RYGGEN,Heavy Prog,Sweden | |
| RAGA BOP TRIO,Jazz Rock/Fusion,United States | |
| RAGNAROK,Psychedelic/Space Rock,New Zealand | |
| RAGNARÖK,Prog Folk,Sweden | |
| MARC AGNI,Psychedelic/Space Rock,Italy | |
| RAHMANN,Jazz Rock/Fusion,France | |
| LUT AHN,Progressive Electronic,Germany | |
| VASAN AI,Indo-Prog/Raga Rock,Multi-National | |
| NI AICEVIC,Progressive Electronic,United States | |
| SIMO AILTON,Eclectic Prog,United Kingdom | |
| RAIN,Symphonic Prog,United Kingdom | |
| RAIN,Crossover Prog,United Kingdom | |
| RAIN DELAY,Experimental/Post Metal,Serbia | |
| RAIN FOR A DAY,Prog Related,Germany | |
| RAIN TREE CROW,Crossover Prog,United Kingdom | |
| RAINBOW,Prog Related,Multi-National | |
| RAINBOW DANGER CLUB,Crossover Prog,China | |
| RAINBOW FACE,Heavy Prog,United States | |
| RAINBOW GENERATOR,Progressive Electronic,Australia | |
| RAINBOW SERPENT,Progressive Electronic,Germany | |
| RAINBOW THEATRE,Symphonic Prog,Australia | |
| RAINBURN,Progressive Metal,India | |
| RAINER TANKRED PAPPON,Heavy Prog,Brazil | |
| RAINROOM,Experimental/Post Metal,Finland | |
| RAINS,Jazz Rock/Fusion,Italy | |
| RAINY SEASON,Psychedelic/Space Rock,Russia | |
| RAISED BY SWANS,Post Rock/Math rock,Canada | |
| RAISON D'ETRE,Progressive Electronic,Sweden | |
| RAISON DE PLUS,Symphonic Prog,France | |
| RAIZ DE PEDRA,Jazz Rock/Fusion,Brazil | |
| RAJAS,Crossover Prog,United States | |
| RAK,Symphonic Prog,Switzerland | |
| RALE,RIO/Avant-Prog,Czech Republic | |
| LE ALLIZES DENUDES,Psychedelic/Space Rock,Japan | |
| TH ALPH,Progressive Metal,Croatia | |
| RAM,Heavy Prog,United States | |
| RAM-ZET,Tech/Extreme Prog Metal,Norway | |
| RAMASES,Prog Folk,United Kingdom | |
| RAMDAM FATAL,RIO/Avant-Prog,France | |
| AMINGHI,Rock Progressivo Italiano,Italy | |
| RAMLOSA KVALLAR,RIO/Avant-Prog,Sweden | |
| RAMSES,Crossover Prog,Germany | |
| TH ANCID YAK BUTTER TEA PARTY,RIO/Avant-Prog,United States | |
| RANDOM,Tech/Extreme Prog Metal,Argentina | |
| RANDOM MULLET,Tech/Extreme Prog Metal,Finland | |
| RANDONE,Rock Progressivo Italiano,Italy | |
| RANESTRANE,Rock Progressivo Italiano,Italy | |
| RANTAMA,Heavy Prog,Finland | |
| RANTAMA TRIO,Jazz Rock/Fusion,Finland | |
| RAPA NUI,RIO/Avant-Prog,Peru | |
| RAPOON,Progressive Electronic,United Kingdom | |
| RAPTOR KONRAD,Psychedelic/Space Rock,Czech Republic | |
| RARA AVIS IN TERRIS,Psychedelic/Space Rock,France | |
| RARE BIRD,Crossover Prog,United Kingdom | |
| RARE BLEND,Jazz Rock/Fusion,United States | |
| RASASOUND,Psychedelic/Space Rock,Hungary | |
| RASCAL REPORTERS,RIO/Avant-Prog,United States | |
| URO ASKOVSKI,Progressive Metal,United States | |
| RASPUTINA,Prog Folk,United States | |
| RATIONAL DIET,RIO/Avant-Prog,Belarus | |
| RATTLEMOUTH,RIO/Avant-Prog,United States | |
| RAUSCH,Neo-Prog,United States | |
| RAVANA,Crossover Prog,Norway | |
| RAVEN SAD,Psychedelic/Space Rock,Italy | |
| RAW MATERIAL,Eclectic Prog,United Kingdom | |
| RAXINASKY,Experimental/Post Metal,Belgium | |
| RAYBURN,Crossover Prog,United States | |
| RAYUELA,Jazz Rock/Fusion,Argentina | |
| RAZA,Heavy Prog,Canada | |
| RAZE THE MAZE,Crossover Prog,United States | |
| RAZOR WIRE SHRINE,Tech/Extreme Prog Metal,United States | |
| RC2,Progressive Metal,Venezuela | |
| TH E-STONED,Psychedelic/Space Rock,Russia | |
| RE:MEMBER,Progressive Metal,China | |
| DENNI EA,Eclectic Prog,United States | |
| REACHING REVERY,Heavy Prog,United States | |
| READER,Post Rock/Math rock,United States | |
| REAKTOR 4,Krautrock,Germany | |
| TH EAL AX BAND,Jazz Rock/Fusion,Germany | |
| REAL LOUD,Experimental/Post Metal,United States | |
| REALE ACCADEMIA DI MUSICA,Rock Progressivo Italiano,Italy | |
| REALEAF,Psychedelic/Space Rock,Israel | |
| REALISEA,Neo-Prog,Netherlands | |
| REALITY CHECK,Progressive Metal,Spain | |
| REALM (STEVE VAIL),Symphonic Prog,United States | |
| REALTIME,Progressive Electronic,Germany | |
| TH EASONING,Crossover Prog,United Kingdom | |
| REBEKKA,Prog Folk,Germany | |
| TH EBEL WHEEL,Crossover Prog,Canada | |
| TO ECCHION,Progressive Electronic,United States | |
| TH ECEIVER,Crossover Prog,United States | |
| ZOZIM ECH,Crossover Prog,Brazil | |
| RECORDANDO O VALE DAS MAÇĂS,Symphonic Prog,Brazil | |
| RECREATION,RIO/Avant-Prog,Belgium | |
| RED,Jazz Rock/Fusion,United Kingdom | |
| RED BALUNE,RIO/Avant-Prog,United Kingdom | |
| RED BAZAR,Crossover Prog,United Kingdom | |
| RED CAIN,Progressive Metal,Canada | |
| TH ED CHORD,Tech/Extreme Prog Metal,United States | |
| RED CIRCUIT,Progressive Metal,Germany | |
| RED FICTION / EX ATOMIC APE,RIO/Avant-Prog,United States | |
| RED JASPER,Prog Folk,United Kingdom | |
| TH ED MASQUE,RIO/Avant-Prog,United States | |
| RED MASQUERADE,Progressive Metal,Italy | |
| RED NOISE,RIO/Avant-Prog,France | |
| RED ORCHID,Crossover Prog,United States | |
| RED PAPER DRAGON,Experimental/Post Metal,United Kingdom | |
| RED ROOM CINEMA,Post Rock/Math rock,United States | |
| RED SAND,Neo-Prog,Canada | |
| RED SEAS FIRE,Tech/Extreme Prog Metal,United Kingdom | |
| RED SPAROWES,Post Rock/Math rock,United States | |
| RED STAR REVOLT,Heavy Prog,United States | |
| RED SUN,Psychedelic/Space Rock,Italy | |
| RED TIDE,Tech/Extreme Prog Metal,United States | |
| REDD,Eclectic Prog,Argentina | |
| REDEMPTION,Progressive Metal,United States | |
| ALEC K EDFEARN AND THE EYESORES,RIO/Avant-Prog,United States | |
| TH EDNECK MANIFESTO,Post Rock/Math rock,Ireland | |
| REDRICK SULTAN,RIO/Avant-Prog,Canada | |
| REDSHIFT,Progressive Electronic,United Kingdom | |
| TH EDZEN,Eclectic Prog,Italy | |
| ALA EED,Crossover Prog,United Kingdom | |
| ROBER EED,Crossover Prog,United Kingdom | |
| REEGONETTI BAND,Crossover Prog,Sweden | |
| FERNAND EFAY,Crossover Prog,Argentina | |
| REFLECTION CLUB,Prog Folk,Germany | |
| REFLECTIONS,Progressive Metal,Slovakia | |
| REFLECTIONS IN COSMO,RIO/Avant-Prog,Norway | |
| REFLUX,Tech/Extreme Prog Metal,United States | |
| REFORM,Jazz Rock/Fusion,Sweden | |
| TH EFORMATION,Eclectic Prog,United States | |
| REFRACTION,Experimental/Post Metal,Ireland | |
| REFRAME,Heavy Prog,United States | |
| REFUGEE,Symphonic Prog,United Kingdom | |
| REGA,Post Rock/Math rock,Japan | |
| REGAL WORM,Crossover Prog,United Kingdom | |
| REGARDE LES HOMMES TOMBER,Experimental/Post Metal,France | |
| REGENT,Neo-Prog,United Kingdom | |
| REIFROCK,Prog Folk,Germany | |
| REIGN CYCLE,Crossover Prog,United States | |
| TH EIGN OF KINDO,Crossover Prog,United States | |
| REIGN OF THE ARCHITECT,Progressive Metal,Israel | |
| XAV EIJA,Jazz Rock/Fusion,Spain | |
| JONA EINHARDT,Progressive Electronic,United States | |
| REJOICE,Crossover Prog,Germany | |
| RELAYER,Symphonic Prog,United States | |
| RELEASE MUSIC ORCHESTRA,Jazz Rock/Fusion,Germany | |
| RELOCATOR,Progressive Metal,Germany | |
| E ELOJ,Eclectic Prog,Argentina | |
| REMEMBER REMEMBER,Krautrock,United Kingdom | |
| RÉMI ORTS PROJECT,Crossover Prog,France | |
| REMINDER,Post Rock/Math rock,Sweden | |
| RENAISSANCE,Symphonic Prog,United Kingdom | |
| RENAISSANCE,Tech/Extreme Prog Metal,Belgium | |
| RENAISSANCE OF FOOLS,Heavy Prog,Sweden | |
| RENAISSANCE SOUND,Jazz Rock/Fusion,United States | |
| RENAISSANT,Crossover Prog,United Kingdom | |
| ALEJANDRO VILLALÓ ENAUD,Progressive Electronic,Mexico | |
| JOH ENBOURN,Prog Related,United Kingdom | |
| RENDEZVOUS POINT,Progressive Metal,Norway | |
| TH ENDLESHAM FOREST INCIDENT,Psychedelic/Space Rock,United States | |
| RENK,Psychedelic/Space Rock,Turkey | |
| REPLICANT,Tech/Extreme Prog Metal,United States | |
| REPLIKAS,Eclectic Prog,Turkey | |
| REPORTAZ,RIO/Avant-Prog,Poland | |
| TH EPTILIANS,Experimental/Post Metal,United States | |
| REQUIEM AETERNAM,Tech/Extreme Prog Metal,Uruguay | |
| RES GESTA,Rock Progressivo Italiano,Italy | |
| RESERVE DE MARCHE,Post Rock/Math rock,Russia | |
| TH ESIDENTS,RIO/Avant-Prog,United States | |
| RESIDUOS MENTALES,Symphonic Prog,Greece | |
| TH ESISTANSE,Crossover Prog,United States | |
| RESISTENCIA CHACO,RIO/Avant-Prog,Argentina | |
| RESISTOR,Crossover Prog,United States | |
| TH ESONANCE ASSOCIATION,Psychedelic/Space Rock,United Kingdom | |
| TH ESONANCE PROJECT,Jazz Rock/Fusion,United States | |
| RESONAXIS,Crossover Prog,Australia | |
| TH ETALIATION FOR WHAT THEY HAVE DONE TO US,Post Rock/Math rock,United States | |
| RETARDED NOISE SQUAD,Tech/Extreme Prog Metal,Germany | |
| TH ETICENT,Experimental/Post Metal,United States | |
| RETREAT FROM MOSCOW,Neo-Prog,United Kingdom | |
| RETROHEADS,Crossover Prog,Norway | |
| RETROSPECTIVE,Progressive Metal,Poland | |
| RETROSPHERE,Progressive Metal,United States | |
| RETROVERTIGO,Post Rock/Math rock,Venezuela | |
| RETSAM SURIV,Progressive Metal,Argentina | |
| RETURN TO FOREVER,Jazz Rock/Fusion,United States | |
| RETURNED TO THE EARTH,Crossover Prog,United Kingdom | |
| RETURNING WE HEAR THE LARKS,Experimental/Post Metal,United Kingdom | |
| RĘVE GÉNÉRAL,RIO/Avant-Prog,Multi-National | |
| L ÉVEIL DES TROPIQUES,Krautrock,France | |
| REVELATION,Neo-Prog,United Kingdom | |
| REVELATION PROJECT,Progressive Metal,United States | |
| REVERENCE,Tech/Extreme Prog Metal,France | |
| REVERIE,Prog Folk,Italy | |
| REVERSAL SYMMETRY,Progressive Metal,Italy | |
| REVERSION,Progressive Metal,Finland | |
| REVOLUTIONARY ARMY OF THE INFANT JESUS,Prog Folk,United Kingdom | |
| REX MUNDI,Tech/Extreme Prog Metal,Greece | |
| RHAPSODY (OF FIRE),Progressive Metal,Italy | |
| RHESUS O,Jazz Rock/Fusion,France | |
| RHETORICA,Progressive Metal,Romania | |
| LE HINOCÉROS,RIO/Avant-Prog,United States | |
| HAPP HODES,Crossover Prog,United States | |
| RHONE,Post Rock/Math rock,United States | |
| RHŮN,Zeuhl,France | |
| RHYTON,Psychedelic/Space Rock,United States | |
| RIALZU,Zeuhl,France | |
| CATHERIN IBEIRO & ALPES,Psychedelic/Space Rock,France | |
| ALESSI ICCIO,RIO/Avant-Prog,Italy | |
| ROBER ICH,Progressive Electronic,United States | |
| CHRISTIA ICHET,Progressive Electronic,France | |
| RICHIE DUVALL AND DOG TRUCK,Jazz Rock/Fusion,United States | |
| JEF ICHMAN,Jazz Rock/Fusion,United States | |
| RICOCHER,Neo-Prog,Netherlands | |
| RICOCHET,Progressive Metal,Germany | |
| RICORDI D'INFANZIA,Rock Progressivo Italiano,Italy | |
| RIDDLE HOUSE,Progressive Metal,United States | |
| RIDE THE SKY,Progressive Metal,Sweden | |
| RIDING PÂNICO,Post Rock/Math rock,Portugal | |
| RIDING THE DIPLODOC,Post Rock/Math rock,Russia | |
| WOLFGAN IECHMANN,Progressive Electronic,Germany | |
| RIFF RAFF,Jazz Rock/Fusion,United Kingdom | |
| RIGONI & SCHOENHERZ,Crossover Prog,Austria | |
| ALBERT IGONI,Heavy Prog,Italy | |
| BJŘR IIS,Crossover Prog,Norway | |
| RIKK ECCENT,Crossover Prog,Finland | |
| TERR ILEY,Prog Related,United States | |
| RING,Eclectic Prog,United Kingdom | |
| RING OF MYTH,Symphonic Prog,United States | |
| RING VAN MÖBIUS,Symphonic Prog,Norway | |
| RINGS OF SATURN,Tech/Extreme Prog Metal,United States | |
| RINNESYA,RIO/Avant-Prog,Japan | |
| RINSE. REPEAT.,Psychedelic/Space Rock,United States | |
| RIPAILLE,Prog Folk,France | |
| RIPPED,Tech/Extreme Prog Metal,United States | |
| RISE (TALITHA RISE),Prog Folk,United Kingdom | |
| RISE TWAIN,Crossover Prog,United States | |
| RISHLOO,Crossover Prog,United States | |
| RISOTRAGIA,Crossover Prog,Argentina | |
| LAZ ISTOVSKI,Prog Related,Yugoslavia | |
| RITMIA,Prog Folk,Italy | |
| RITRATTO DI UN MATTINO,Eclectic Prog,Italy | |
| RITUAL,Crossover Prog,Sweden | |
| RIUTTA,Crossover Prog,Finland | |
| RIVENDEL,Neo-Prog,Spain | |
| RIVERBLIND,Crossover Prog,New Zealand | |
| RIVERS OF NIHIL,Tech/Extreme Prog Metal,United States | |
| RIVERSEA,Neo-Prog,United Kingdom | |
| RIVERSIDE,Progressive Metal,Poland | |
| RIVERWOOD,Progressive Metal,Egypt | |
| RIVERYMAN,Neo-Prog,Finland | |
| RIVIERE,Experimental/Post Metal,France | |
| RIZENGARD,Neo-Prog,Mexico | |
| STEV OACH,Progressive Electronic,United States | |
| ROADS TO DAMASCUS,Neo-Prog,United Kingdom | |
| ROBB & POTT,Psychedelic/Space Rock,Multi-National | |
| DO OBERTSON,Indo-Prog/Raga Rock,United States | |
| ROBIN & THE WOODS,Jazz Rock/Fusion,France | |
| ROBIN AND THE MODEST,Psychedelic/Space Rock,Germany | |
| ROBOTOBIBOK,Jazz Rock/Fusion,Poland | |
| ROBOTS AGAINST ENTROPY,Progressive Metal,Ukraine | |
| ROBY TAV AND TIZIANA RADIS,Crossover Prog,Italy | |
| CLAUDI OCCHI,Rock Progressivo Italiano,Italy | |
| ROCK JOINT,Jazz Rock/Fusion,Japan | |
| TH OCK OF TRAVOLTA,Post Rock/Math rock,United Kingdom | |
| ROCKAPHONICA,Symphonic Prog,Argentina | |
| ROCKENFIELD - SPEER,Crossover Prog,United States | |
| ROCKET MINER,Post Rock/Math rock,United States | |
| ROCKET SCIENTISTS,Symphonic Prog,United States | |
| ROCKFOUR,Prog Related,Israel | |
| ROCKY'S FILJ,Rock Progressivo Italiano,Italy | |
| ROD WHILE,Crossover Prog,United Kingdom | |
| RODAN,Post Rock/Math rock,United States | |
| ROGE ODIER,Prog Folk,Canada | |
| RODOTOTOED,Psychedelic/Space Rock,Mexico | |
| OMA ODRIGUEZ-LOPEZ,Eclectic Prog,Puerto Rico | |
| RAIMUND ODULFO,Symphonic Prog,Venezuela | |
| HANS-JOACHI OEDELIUS,Progressive Electronic,Germany | |
| HARR OESLI,RIO/Avant-Prog,Indonesia | |
| HENR OGER,Progressive Electronic,France | |
| ROGUE ELEMENT,Progressive Electronic,United Kingdom | |
| ROGUE SPORE,Progressive Electronic,Ireland | |
| ROHMER,Jazz Rock/Fusion,Italy | |
| PAU OLAND,Crossover Prog,United Kingdom | |
| ROLE OF THE OBSERVER,Heavy Prog,United States | |
| ROLF ZERO,Symphonic Prog,Australia | |
| ROLO TOMASSI,Tech/Extreme Prog Metal,United Kingdom | |
| ROMANZA-BEKKAN,Neo-Prog,Japan | |
| TH OME PRO(G)JECT,Symphonic Prog,Italy | |
| MICHAE OMEO,Progressive Metal,United States | |
| YUVA ON,Jazz Rock/Fusion,Multi-National | |
| PATRIC ONDAT,Progressive Metal,France | |
| DAVID ONFETTO,Crossover Prog,Italy | |
| KUR ONGEY,Symphonic Prog,United States | |
| THOMA ONKIN,Progressive Electronic,United States | |
| ROOKY,Progressive Metal,Germany | |
| ANTO OOLAART,Symphonic Prog,United States | |
| ROOM,Heavy Prog,United Kingdom | |
| TH OOM,Crossover Prog,United Kingdom | |
| ROOT,Psychedelic/Space Rock,United Kingdom | |
| ROOTS OF CONSCIOUSNESS,Eclectic Prog,United States | |
| TH OOTS OF ECHO,Psychedelic/Space Rock,Sweden | |
| ROPE AND LADDER,Crossover Prog,United States | |
| ROSA LUXEMBURG,Crossover Prog,France | |
| ROSA PARKS,Post Rock/Math rock,Hungary | |
| ROSALIA,Heavy Prog,Japan | |
| JAIM OSAS,Symphonic Prog,Chile | |
| ROSE,Crossover Prog,Canada | |
| DAVI OSE,Jazz Rock/Fusion,United States | |
| RŘSENKREÜTZ,Crossover Prog,Italy | |
| ROSETTA,Experimental/Post Metal,United States | |
| L OSSA,Eclectic Prog,France | |
| ROSTRO DEL SOL,Heavy Prog,Mexico | |
| ROSWELL SIX,Progressive Metal,United States | |
| ANDREW DOUGLA OTHBARD,Psychedelic/Space Rock,United States | |
| MICHAE OTHER,Krautrock,Germany | |
| STEV OTHERY,Neo-Prog,United Kingdom | |
| ROTOR,Psychedelic/Space Rock,Germany | |
| ROUGE CIEL,RIO/Avant-Prog,Canada | |
| ROUGH RAMBLERS,Jazz Rock/Fusion,United Kingdom | |
| ROUGH SILK,Progressive Metal,Germany | |
| ROUND HOUSE,Jazz Rock/Fusion,Japan | |
| ANDRE OUSSAK,Symphonic Prog,Russia | |
| ROUSSEAU,Symphonic Prog,Germany | |
| ROUTE NINE,Experimental/Post Metal,Sweden | |
| CRISTIAN OVERSI,Crossover Prog,Italy | |
| I OVESCIO DELLA MEDAGLIA,Rock Progressivo Italiano,Italy | |
| ROVO,Psychedelic/Space Rock,Japan | |
| ROXY MUSIC,Crossover Prog,United Kingdom | |
| ROY PACI & CORLEONE,Jazz Rock/Fusion,Italy | |
| ROYAL HUNT,Progressive Metal,Denmark | |
| ROZ VITALIS,RIO/Avant-Prog,Russia | |
| ROZMAINSKY & MIKHAYLOV PROJECT,Eclectic Prog,Russia | |
| RPWL,Neo-Prog,Germany | |
| RSC,Crossover Prog,Poland | |
| RTFACT,Eclectic Prog,Multi-National | |
| BERNARD UBAJA,Prog Folk,Argentina | |
| RUBBER TEA,Neo-Prog,Germany | |
| TH UBE GOLDBERG MACHINE,Crossover Prog,United Kingdom | |
| JASO UBENSTEIN,Heavy Prog,United States | |
| RUBICON,Progressive Metal,United States | |
| BARBAR UBIN,Crossover Prog,Italy | |
| RUBYCONE,Progressive Metal,Moldova | |
| RUDDER,Jazz Rock/Fusion,United States | |
| RUDESS - MORGENSTEIN PROJECT,Crossover Prog,United States | |
| JOHN PETRUCCI AND JORDA UDESS,Crossover Prog,United States | |
| JORDA UDESS,Crossover Prog,United States | |
| RUDOLF,RIO/Avant-Prog,Russia | |
| KAR UESLATTEN,Prog Folk,Norway | |
| RUFUS ZUPHALL,Krautrock,Germany | |
| RUINS,Zeuhl,Japan | |
| ANDRE UIZ,Eclectic Prog,Argentina | |
| MIGUEL A UIZ,Progressive Electronic,Spain | |
| RUJA,Prog Folk,Estonia | |
| RULAMAN,Psychedelic/Space Rock,Germany | |
| CYNDEE LE ULE,Crossover Prog,United States | |
| TH UM DIARY,Post Rock/Math rock,United States | |
| RUMAH SAKIT,Post Rock/Math rock,United States | |
| RUMBLIN' ORCHESTRA,Symphonic Prog,Hungary | |
| L UMEUR DES CHAÎNES,Tech/Extreme Prog Metal,France | |
| I UMORE BIANCO,Rock Progressivo Italiano,Italy | |
| RUMPLE STILTZKEN COMUNE,Symphonic Prog,Switzerland | |
| RUNAWAY TOTEM,Zeuhl,Italy | |
| TOD UNDGREN,Crossover Prog,United States | |
| RUNNER,Crossover Prog,United Kingdom | |
| TH UNNING MAN,Eclectic Prog,United Kingdom | |
| E UPE,Post Rock/Math rock,Portugal | |
| TH UPERT SELECTION,Crossover Prog,United States | |
| RUPHUS,Heavy Prog,Norway | |
| I USCELLO,Rock Progressivo Italiano,Italy | |
| BE USCH,Crossover Prog,Germany | |
| RUSH,Heavy Prog,Canada | |
| JORDAN K USH,Tech/Extreme Prog Metal,United States | |
| RUSSIAN CIRCLES,Post Rock/Math rock,United States | |
| RUSTICHELLI & BORDINI,Rock Progressivo Italiano,Italy | |
| RIC UTH,Krautrock,United States | |
| MIK UTHERFORD,Prog Related,United Kingdom | |
| RWAKE,Experimental/Post Metal,United States | |
| RXP,Progressive Metal,Costa Rica | |
| RXYZYXR,Tech/Extreme Prog Metal,Russia | |
| JEAN-PHILIPP YKIEL,Crossover Prog,France | |
| RYMDSTYRELSEN,Psychedelic/Space Rock,Sweden | |
| RYODAN,Psychedelic/Space Rock,Japan | |
| RYOKUCHI,Experimental/Post Metal,Japan | |
| RYORCHESTRA,Zeuhl,Japan | |
| TERJ YPDAL,Jazz Rock/Fusion,Norway | |
| RYR,Experimental/Post Metal,Germany | |