| artist,genre,country | |
| E MOTIVE,Jazz Rock/Fusion,United States | |
| E-MUSIKGRUPPE LUX OHR,Progressive Electronic,Finland | |
| EAGLE TWIN,Experimental/Post Metal,United States | |
| EARDANCE,RIO/Avant-Prog,United States | |
| TH ARLIES,Psychedelic/Space Rock,Multi-National | |
| EARLY CROSS,Progressive Metal,Japan | |
| EARTH,Experimental/Post Metal,United States | |
| EARTH AND FIRE,Symphonic Prog,Netherlands | |
| TH ARTH AND I,Progressive Metal,United States | |
| EARTH ELECTRIC,Heavy Prog,Portugal | |
| EARTH FLIGHT,Heavy Prog,Germany | |
| EARTH MEET WORLD / EX PROJECTED TWIN,Crossover Prog,Australia | |
| EARTH OPERA,Proto-Prog,United States | |
| EARTH SIZE DIAMONDS,Eclectic Prog,United States | |
| EARTH SNAKE,Tech/Extreme Prog Metal,United States | |
| EARTH'S YELLOW SUN,Progressive Metal,Canada | |
| EARTH7,Progressive Metal,United States | |
| EARTHBOUND PAPAS,Progressive Metal,Japan | |
| EARTHKIND,Crossover Prog,United States | |
| EARTHLESS,Psychedelic/Space Rock,United States | |
| EARTHLING SOCIETY,Psychedelic/Space Rock,United Kingdom | |
| EARTHRISE,Symphonic Prog,United States | |
| EARTHSIDE,Progressive Metal,United States | |
| EARTHSTAR,Progressive Electronic,Multi-National | |
| EARTHSTONE,Neo-Prog,United Kingdom | |
| EAST,Neo-Prog,Hungary | |
| EAST OF EDEN,Eclectic Prog,United Kingdom | |
| EAST OF THE WALL,Experimental/Post Metal,United States | |
| EAST WIND POT,Jazz Rock/Fusion,Japan | |
| EASTER ISLAND,Heavy Prog,United States | |
| EASTERN HIGH,Progressive Metal,Sweden | |
| EASTERN SYNDROME,Psychedelic/Space Rock,Russia | |
| EASTSTRIKEWEST,Post Rock/Math rock,United Kingdom | |
| EAT GHOSTS / EX MINERVA,Heavy Prog,Germany | |
| EAT LIGHTS BECOME LIGHTS,Krautrock,United Kingdom | |
| EAT THE SUN,Post Rock/Math rock,United States | |
| EATEN BY TIGERS,Post Rock/Math rock,United Kingdom | |
| EATING.SEATS,Psychedelic/Space Rock,Italy | |
| EATLIZ,Crossover Prog,Israel | |
| EBONY LAKE,Experimental/Post Metal,United Kingdom | |
| EBU GOGO,RIO/Avant-Prog,United States | |
| ECCENTRIC ORBIT,Symphonic Prog,United States | |
| ECCENTRIC PENDULUM,Tech/Extreme Prog Metal,India | |
| ECFONETICA,Rock Progressivo Italiano,Italy | |
| TH CHELON EFFECT,Post Rock/Math rock,United Kingdom | |
| ECHIDNA,Tech/Extreme Prog Metal,Greece | |
| ECHO,Crossover Prog,Romania | |
| ECHO RHYTHM,Heavy Prog,United States | |
| ECHO SAYS ECHO,Post Rock/Math rock,France | |
| ECHO US,Neo-Prog,United States | |
| ECHOES,Progressive Metal,Venezuela | |
| ECHOES,Eclectic Prog,France | |
| ECHOES,Experimental/Post Metal,United Kingdom | |
| ECHOES AND SIGNALS,Post Rock/Math rock,Russia | |
| ECHOES OF ETERNITY,Progressive Metal,United States | |
| ECHOES OF GIANTS,Crossover Prog,United States | |
| ECHOES OF YUL,Experimental/Post Metal,Poland | |
| ECHOLAPSE,Progressive Metal,United States | |
| ECHOLOT,Psychedelic/Space Rock,Switzerland | |
| ECHOLYN,Symphonic Prog,United States | |
| ECHOREC.,Neo-Prog,United Kingdom | |
| ECHOSILENCE,Experimental/Post Metal,Estonia | |
| ECHOTEST,Eclectic Prog,United States | |
| ECLAT / EX ECLAT DE VERS,Symphonic Prog,France | |
| ECLECTIC MAYBE BAND,Eclectic Prog,Belgium | |
| TH CLECTIC MOUSE,Proto-Prog,United States | |
| ECLIPSE,Symphonic Prog,Brazil | |
| ECLIPSE,Crossover Prog,Canada | |
| ECLIPSE SOL-AIR,Crossover Prog,Multi-National | |
| ECLISSE,Rock Progressivo Italiano,Italy | |
| ECSTATIC VISION,Psychedelic/Space Rock,United States | |
| ED ZERO,Crossover Prog,Spain | |
| EDAIN,Progressive Metal,Czech Republic | |
| EDEL,Crossover Prog,Multi-National | |
| EDEN,Prog Folk,Germany | |
| EDEN,Symphonic Prog,Canada | |
| EDEN,Progressive Electronic,France | |
| EDEN ROSE,Psychedelic/Space Rock,France | |
| EDEN SHADOW,Neo-Prog,United Kingdom | |
| EDENA GARDENS,Psychedelic/Space Rock,Denmark | |
| EDENSONG,Eclectic Prog,United States | |
| EDERA,Rock Progressivo Italiano,Italy | |
| EDGAR (ANIMO),Post Rock/Math rock,Belgium | |
| EDGAR ALLAN POE,Rock Progressivo Italiano,Italy | |
| EDGAR'S HAIR,Psychedelic/Space Rock,Netherlands | |
| EDGE,Jazz Rock/Fusion,United Kingdom | |
| EDGE OF REALITY,Experimental/Post Metal,United States | |
| EDGE OF SANITY,Tech/Extreme Prog Metal,Sweden | |
| EDGEND,Progressive Metal,Israel | |
| EDHELS,Neo-Prog,Monaco | |
| EDISON'S CHILDREN,Neo-Prog,Multi-National | |
| EDITH,Neo-Prog,Italy | |
| EDITION SPÉCIALE,Jazz Rock/Fusion,France | |
| EDO,Jazz Rock/Fusion,Canada | |
| EDREMERION,Experimental/Post Metal,France | |
| EELA CRAIG,Jazz Rock/Fusion,Austria | |
| EF,Post Rock/Math rock,Sweden | |
| EFECTO,Eclectic Prog,Chile | |
| E FECTO,Eclectic Prog,Brazil | |
| EFFA LENTE,Crossover Prog,Ireland | |
| L FFET DEFEE,RIO/Avant-Prog,France | |
| EFFLORESCE,Progressive Metal,Germany | |
| EFRIM MANUEL MENUCK,Post Rock/Math rock,Canada | |
| EFTERKLANG,Post Rock/Math rock,Denmark | |
| EGDON HEATH,Neo-Prog,Netherlands | |
| EGG,Canterbury Scene,United Kingdom | |
| EGGROLL,Symphonic Prog,Israel | |
| EGO,Rock Progressivo Italiano,Italy | |
| EGO EIMI,Progressive Metal,Russia | |
| EGO ON THE ROCKS,Psychedelic/Space Rock,Germany | |
| EGOBAND,Neo-Prog,Italy | |
| TH GOCENTRICS,Psychedelic/Space Rock,Romania | |
| EGOIST,Experimental/Post Metal,Poland | |
| EGONON,Rock Progressivo Italiano,Italy | |
| EGREGOR,Progressive Metal,Chile | |
| EGYPT IS THE MAGICK #,Krautrock,United States | |
| EGYPTIAN KINGS,Psychedelic/Space Rock,Portugal | |
| EHNAHRE,Experimental/Post Metal,United States | |
| EIDER STELLAIRE,Zeuhl,France | |
| EIDETIC SEEING,Psychedelic/Space Rock,United States | |
| EIDOLA,Experimental/Post Metal,United States | |
| EIDÔLON,Crossover Prog,France | |
| EIEMEL,Symphonic Prog,Argentina | |
| EIGENGRAU,Experimental/Post Metal,Denmark | |
| EIGHT BELLS,Experimental/Post Metal,United States | |
| EIGHTH WHALE,Heavy Prog,United States | |
| EIK,Symphonic Prog,Iceland | |
| EILIFF,Krautrock,Germany | |
| EIMOG,Post Rock/Math rock,Italy | |
| EINNA,Experimental/Post Metal,France | |
| EINSEINSEINS,Krautrock,Germany | |
| EJWUUSL WESSAHQQAN,Krautrock,Germany | |
| MATTIAS I KLUNDH,Tech/Extreme Prog Metal,Sweden | |
| EKOS,Psychedelic/Space Rock,Mexico | |
| EKPHRASIS,Eclectic Prog,France | |
| EKSEPTION,Eclectic Prog,Netherlands | |
| EKSI EKSO,Post Rock/Math rock,United States | |
| EKTROVERDE,Psychedelic/Space Rock,Finland | |
| EKZILO,Psychedelic/Space Rock,Spain | |
| EL SHALOM,Krautrock,Germany | |
| EL TEN ELEVEN,Post Rock/Math rock,United States | |
| ELANE,Prog Folk,Germany | |
| ELDBERG,Crossover Prog,Iceland | |
| ELDER,Heavy Prog,United States | |
| ELDOVAR,Heavy Prog,Germany | |
| ELDRITCH,Progressive Metal,Italy | |
| ELDS MARK,Prog Folk,Norway | |
| ELECTRA,Crossover Prog,Germany | |
| ELECTRIC DESERT,Prog Folk,Israel | |
| ELECTRIC EYE,Psychedelic/Space Rock,Norway | |
| ELECTRIC LIGHT ORCHESTRA,Crossover Prog,United Kingdom | |
| ELECTRIC MASADA,RIO/Avant-Prog,United States | |
| ELECTRIC MOON,Psychedelic/Space Rock,Germany | |
| ELECTRIC MUD,Krautrock,Germany | |
| ELECTRIC MUD,Eclectic Prog,Germany | |
| ELECTRIC ORANGE,Krautrock,Germany | |
| ELECTRIC OUTLET,Jazz Rock/Fusion,Germany | |
| ELECTRIC SANDWICH,Krautrock,Germany | |
| ELECTRIC SORCERY,Crossover Prog,United States | |
| ELECTRO COMPULSIVE THERAPY,Crossover Prog,Mexico | |
| ELECTRO QUARTERSTAFF,Tech/Extreme Prog Metal,Canada | |
| ELECTROCUTION 250,Tech/Extreme Prog Metal,United States | |
| ELECTROMAGNETS,Jazz Rock/Fusion,United States | |
| ELECTRUM,Crossover Prog,United States | |
| ELEGANT SIMPLICITY,Neo-Prog,United Kingdom | |
| ELEKTRIKTUS,Progressive Electronic,Italy | |
| ELEKTRYK BESTIA,Eclectic Prog,United States | |
| TH LEMENT,Progressive Metal,United States | |
| ELEMENTS,Neo-Prog,Netherlands | |
| ELEND,Crossover Prog,France | |
| ELENIUM,Tech/Extreme Prog Metal,Poland | |
| ELENIUM,Tech/Extreme Prog Metal,Finland | |
| ELEPHANT & CASTLE,Neo-Prog,France | |
| ELEPHANT PLAZA,Crossover Prog,Norway | |
| ELEPHANT TOK,Zeuhl,France | |
| ELEPHANT9,Jazz Rock/Fusion,Norway | |
| ELEPHANTS OF SCOTLAND,Neo-Prog,United States | |
| ELEVATOR,Psychedelic/Space Rock,Canada | |
| ELEVEN STRINGS,Progressive Metal,Brazil | |
| ELEVENTH OCEAN,Progressive Metal,Argentina | |
| ELF PROJECT,Heavy Prog,United States | |
| ELFONÍA,Prog Folk,Mexico | |
| ELIAS,Heavy Prog,Australia | |
| ELIAS HULK,Heavy Prog,United Kingdom | |
| ELICOIDE,Progressive Electronic,Italy | |
| ELIPHASZ,Crossover Prog,Canada | |
| DANIE LISEEV PROJECT (D.E.P.),Heavy Prog,Bulgaria | |
| ELISIR D'AMBROSIA,Rock Progressivo Italiano,Italy | |
| ELIXIR,Neo-Prog,France | |
| ELIZABETH THE LAST,Post Rock/Math rock,Germany | |
| NANC LIZABETH,Prog Folk,United Kingdom | |
| ELLESMERE,Symphonic Prog,Italy | |
| ELLEVEN,Neo-Prog,Germany | |
| RYAN MAR LLIOTT,Crossover Prog,United States | |
| ELLIPSIS,Experimental/Post Metal,France | |
| ELLIS THE VACUUMCHILD,Post Rock/Math rock,Sweden | |
| BRIA LLIS,Psychedelic/Space Rock,United States | |
| DO LLIS,Jazz Rock/Fusion,United States | |
| ELOHIM,Symphonic Prog,France | |
| ELOHYMN,Post Rock/Math rock,United Kingdom | |
| ELOITERON,Symphonic Prog,Switzerland | |
| ELONKORJUU,Heavy Prog,Finland | |
| ELORA,Crossover Prog,France | |
| ELOY,Psychedelic/Space Rock,Germany | |
| ELVARON,Progressive Metal,France | |
| EMMET LVIN,Eclectic Prog,United Kingdom | |
| ELYSIUM,Crossover Prog,Switzerland | |
| ELYSIUM THEORY,Crossover Prog,United States | |
| EMBRYO,Jazz Rock/Fusion,Germany | |
| EMERALD,Neo-Prog,Netherlands | |
| A MERALD CITY,Psychedelic/Space Rock,Multi-National | |
| TH MERALD DAWN,Neo-Prog,United Kingdom | |
| EMERALD EDGE,Progressive Metal,Germany | |
| EMERALDS,Progressive Electronic,United States | |
| ÉMERAUDE,Prog Folk,France | |
| EMERGENCY,Jazz Rock/Fusion,Multi-National | |
| EMERGENCY EXIT,Eclectic Prog,France | |
| EMERSON LAKE & PALMER,Symphonic Prog,United Kingdom | |
| KEIT MERSON,Crossover Prog,United Kingdom | |
| EMISFERI PARALLELI,Progressive Metal,Italy | |
| EMISFERO BOREALE,Jazz Rock/Fusion,Italy | |
| EMMA MYLDENBERGER,Krautrock,Germany | |
| J. MMANUEL,Progressive Electronic,United States | |
| GER MMENS,Crossover Prog,Netherlands | |
| REDJ MOND,Symphonic Prog,Canada | |
| EMPATHI,Eclectic Prog,Thailand | |
| EMPEROR NORTON,Crossover Prog,United Kingdom | |
| EMPHASIS,Progressive Metal,Estonia | |
| EMPHASIS,Post Rock/Math rock,Croatia | |
| EMPIRE,Crossover Prog,United Kingdom | |
| EMPIRE,Rock Progressivo Italiano,Italy | |
| EMPIRE BATHTUB,Heavy Prog,United States | |
| EMPIRES,Experimental/Post Metal,United States | |
| EMPIRICAL TIME,Crossover Prog,Italy | |
| EMPTY SILOS ECHO WAR,Post Rock/Math rock,United States | |
| EMPTY SPACE ORCHESTRA,Eclectic Prog,United States | |
| EMPTY TREMOR,Progressive Metal,Italy | |
| EMPTY YARD EXPERIMENT,Experimental/Post Metal,United Arab Emirates | |
| EMPYREAN SANCTUM,Progressive Metal,United States | |
| EMPYREAN SKY,Tech/Extreme Prog Metal,United States | |
| EMPYRIA,Progressive Metal,Canada | |
| EMPYRIOS,Progressive Metal,Italy | |
| EMTIDI,Prog Folk,Germany | |
| EN PLEIN AIR,Post Rock/Math rock,Italy | |
| ENABLERS,Post Rock/Math rock,United States | |
| ENBOR,Prog Folk,Spain | |
| ENCENATHRAKH,Tech/Extreme Prog Metal,United States | |
| ENCHANT,Heavy Prog,United States | |
| ENCORE + GRANDE,RIO/Avant-Prog,Multi-National | |
| END AMEN,Progressive Metal,Germany | |
| TH ND OF THE OCEAN,Post Rock/Math rock,United States | |
| ENDER,Experimental/Post Metal,New Zealand | |
| ENDGAME,Progressive Electronic,United Kingdom | |
| ENDITOL,Tech/Extreme Prog Metal,Canada | |
| ENDLESS SEASON,Jazz Rock/Fusion,Italy | |
| A NDLESS SPORADIC,Progressive Metal,United States | |
| ENDLESS VALLEY,Psychedelic/Space Rock,Australia | |
| ENDLICH ALLEIN,Neo-Prog,Italy | |
| ENDNAME,Experimental/Post Metal,Russia | |
| ENDOPLASMIC FLOW,Progressive Electronic,Multi-National | |
| ENDTIME ODYSSEY,Progressive Metal,Belgium | |
| ENDWORLD HALOS,Psychedelic/Space Rock,Finland | |
| ENEIDE,Rock Progressivo Italiano,Italy | |
| ENERGIT,Jazz Rock/Fusion,Czech Republic | |
| ENERGY,Jazz Rock/Fusion,Sweden | |
| ENERGY OF SOUND,Jazz Rock/Fusion,United States | |
| ENFANT,Heavy Prog,Bolivia | |
| ENGEL (MIGUEL ANGEL DE LA LLAVE JIMENEZ),Prog Folk,Spain | |
| ENGLAND,Symphonic Prog,United Kingdom | |
| AARO NGLISH,Crossover Prog,United States | |
| L NGOULEVENT,Prog Folk,Canada | |
| ENGRAMA / [ENGRAMA],Post Rock/Math rock,Multi-National | |
| ENIAC REQUIEM,Progressive Metal,United States | |
| TH NID,Symphonic Prog,United Kingdom | |
| TH NIGMA DIVISION,Progressive Metal,Ireland | |
| ENIGMATIC INFINITY,Progressive Metal,Hungary | |
| ENIMA,Rock Progressivo Italiano,Italy | |
| ENINE,Crossover Prog,Russia | |
| ENMARTE,Heavy Prog,Argentina | |
| ENNEADE,Progressive Metal,France | |
| ENNĎS TÓLA,Crossover Prog,Australia | |
| BRIA NO,Progressive Electronic,United Kingdom | |
| ENOCHIAN THEORY,Progressive Metal,United Kingdom | |
| ENORMITY,Heavy Prog,United States | |
| ENPHIN / EX PH (MR. PETER HAYDEN),Experimental/Post Metal,Finland | |
| ENSAMBLE DENTRO DE LA NADA,RIO/Avant-Prog,Mexico | |
| ENSEMBLE 1,Experimental/Post Metal,United Kingdom | |
| ENSEMBLE HAVADIŔ ,RIO/Avant-Prog,Italy | |
| ENSEMBLE NIMBUS,RIO/Avant-Prog,Sweden | |
| ENSEMBLE PEARL,Post Rock/Math rock,Multi-National | |
| L NSEMBLE RAYÉ,RIO/Avant-Prog,Switzerland | |
| ENSEMBLE SUPERMUSIQUE,RIO/Avant-Prog,Canada | |
| ENSLAVED,Tech/Extreme Prog Metal,Norway | |
| ENTER TWILIGHT,Progressive Metal,Australia | |
| ENTITY,Rock Progressivo Italiano,Italy | |
| ENTITY PARADIGM,Crossover Prog,Pakistan | |
| THE NTOURAGE MUSIC AND THEATER ENSEMBLE,Indo-Prog/Raga Rock,United States | |
| ENTRANCE,Progressive Metal,Chile | |
| ENTRANCE,Jazz Rock/Fusion,Denmark | |
| TH NTRANCE BAND,Psychedelic/Space Rock,United States | |
| ENTRANSIENT,Crossover Prog,United States | |
| ENTROPIA,Tech/Extreme Prog Metal,Poland | |
| ENTROPIA,Progressive Metal,Colombia | |
| ENTROPIA UTOPIA,Progressive Metal,Greece | |
| ENVENOMIST,Progressive Electronic,United States | |
| ENVINITY,Progressive Metal,United States | |
| ENVIZIBLE ORKESTRA,Crossover Prog,United Kingdom | |
| ENVY,Post Rock/Math rock,Japan | |
| EOS,Crossover Prog,Chile | |
| EPECTASE,Experimental/Post Metal,France | |
| EPHEL DUATH,Experimental/Post Metal,Italy | |
| EPHEMERAL,Crossover Prog,Italy | |
| EPHEMERAL SUN,Progressive Metal,United States | |
| EPHRAT,Heavy Prog,Israel | |
| EPIC MIND,Progressive Metal,Netherlands | |
| EPIC TANTRUM,Eclectic Prog,United States | |
| EPICA,Progressive Metal,Italy | |
| EPICA,Progressive Metal,Netherlands | |
| EPIDAURUS,Symphonic Prog,Germany | |
| EPIDERMIS,Eclectic Prog,Germany | |
| EPIGNOSIS,Symphonic Prog,United States | |
| EPIGRAM,Post Rock/Math rock,Canada | |
| EPIICYCLE,Crossover Prog,United States | |
| EPILOGUE,Neo-Prog,United Kingdom | |
| EPISCOPIO VISTARAMA,Rock Progressivo Italiano,Italy | |
| EPISODE,Symphonic Prog,United States | |
| EPISTASIS,Experimental/Post Metal,United States | |
| EPITAPH,Heavy Prog,Mexico | |
| EPIZOOTIC,Heavy Prog,Sweden | |
| EPN TRIO,RIO/Avant-Prog,Argentina | |
| EPSILON,Krautrock,Germany | |
| EPYSODE,Progressive Metal,Belgium | |
| EQUAL VECTOR,Progressive Metal,Greece | |
| EQUATIONS,Psychedelic/Space Rock,Portugal | |
| EQUILIBRIO VITAL,Symphonic Prog,Venezuela | |
| EQUINOX,Neo-Prog,Panama | |
| EQUINOX,Progressive Metal,Serbia | |
| EQUIPE 84,Rock Progressivo Italiano,Italy | |
| EQUUS,Post Rock/Math rock,Switzerland | |
| ER. J. ORCHESTRA,Prog Related,Ukraine | |
| ERA DI ACQUARIO,Rock Progressivo Italiano,Italy | |
| ERA VULGARIS,Tech/Extreme Prog Metal,United Kingdom | |
| ERASMUS,Neo-Prog,United Kingdom | |
| RÓBER RDÉSZ,Prog Folk,Hungary | |
| ERE G,Eclectic Prog,Canada | |
| EREBE,Experimental/Post Metal,France | |
| EREHIA,RIO/Avant-Prog,Mexico | |
| ERGO,Jazz Rock/Fusion,United States | |
| ERGO SUM,Prog Folk,Chile | |
| ERGO SUM,Jazz Rock/Fusion,France | |
| ERIC G,Progressive Electronic,Sweden | |
| ERIS PLUVIA,Rock Progressivo Italiano,Italy | |
| ERLKOENIG,Krautrock,Germany | |
| ERNA SCHMIDT,Krautrock,Germany | |
| EROC,Krautrock,Germany | |
| EROICA,Post Rock/Math rock,United States | |
| ERRATA CORRIGE,Rock Progressivo Italiano,Italy | |
| ERROBI,Prog Folk,Spain | |
| ERTH,RIO/Avant-Prog,Costa Rica | |
| ERTLIF,Psychedelic/Space Rock,Switzerland | |
| ERUPTION,Krautrock,Germany | |
| ERYN NON DAE,Tech/Extreme Prog Metal,France | |
| ESAGIL,Crossover Prog,Greece | |
| ESAGONO,Jazz Rock/Fusion,Italy | |
| ESCAPADE,Psychedelic/Space Rock,United States | |
| ESCHATON,Tech/Extreme Prog Metal,Austria | |
| ESCHATOS,Experimental/Post Metal,Latvia | |
| ESCHERBACH,Heavy Prog,United States | |
| ESFERA,Crossover Prog,Portugal | |
| ESKALATION,RIO/Avant-Prog,Germany | |
| ESKAPE,Neo-Prog,Germany | |
| ESKATON,Zeuhl,France | |
| ESKIMO,RIO/Avant-Prog,United States | |
| ESMERINE,Post Rock/Math rock,Canada | |
| ESP,Crossover Prog,Multi-National | |
| ESPERANTO,Eclectic Prog,Multi-National | |
| ESPERS,Prog Folk,United States | |
| ESPÍRITU,Symphonic Prog,Argentina | |
| ESQUIRE,Prog Related,United Kingdom | |
| ESSENTIAL HAZARD,Jazz Rock/Fusion,United States | |
| L STATE DI SAN MARTINO,Rock Progressivo Italiano,Italy | |
| ESTHEMA,Eclectic Prog,United States | |
| ESTHESIS,Neo-Prog,France | |
| ESTHETIC PALE,Neo-Prog,Germany | |
| ESTIGMA,Heavy Prog,Chile | |
| ESTRADASPHERE,RIO/Avant-Prog,United States | |
| ESTRUCTURA,Symphonic Prog,Venezuela | |
| ESTYGYA,Progressive Metal,Spain | |
| ET CETERA,Eclectic Prog,Canada | |
| ET CETERA (DE),Krautrock,Germany | |
| ETCETERA,Symphonic Prog,Denmark | |
| ETER-K,Psychedelic/Space Rock,Peru | |
| ETERNAL DEFORMITY,Experimental/Post Metal,Poland | |
| ETERNAL ESSENCE,Progressive Metal,United States | |
| ETERNAL JOURNEY,Progressive Metal,Germany | |
| ETERNAL TAPESTRY,Psychedelic/Space Rock,United States | |
| ETERNAL WANDERERS,Neo-Prog,Russia | |
| ETERNIDAD,Prog Folk,Argentina | |
| ÉTERNITÉ,Symphonic Prog,Canada | |
| ETERNITY VOID,Tech/Extreme Prog Metal,United States | |
| ETERNITY X,Progressive Metal,United States | |
| ETHEREAL,Progressive Metal,Portugal | |
| ETHEREAL ARCHITECT,Progressive Metal,United States | |
| ETHEREAL STATUS,Progressive Metal,Greece | |
| ETHEREALITY,Progressive Metal,United States | |
| ETHERS EDGE,Crossover Prog,United Kingdom | |
| ETHERSENS,Experimental/Post Metal,France | |
| ETHIVA,Psychedelic/Space Rock,Spain | |
| ETHOS,Symphonic Prog,United States | |
| ETNA,Jazz Rock/Fusion,Italy | |
| ETOX,Progressive Metal,Germany | |
| ETRANGE,Progressive Metal,France | |
| ETRON FOU LELOUBLAN,RIO/Avant-Prog,France | |
| ETT ROP PĹ HJÄLP,Heavy Prog,Sweden | |
| ETURIVI,Krautrock,Finland | |
| EULENSPYGEL,Krautrock,Germany | |
| EUMERIA,Progressive Metal,United States | |
| EUPHORIA,Post Rock/Math rock,Japan | |
| EURASIA,Rock Progressivo Italiano,Italy | |
| EUREKA,Neo-Prog,Germany | |
| EURHYBIA,Neo-Prog,France | |
| EUTHYMIA,Rock Progressivo Italiano,Italy | |
| EUZEN,Crossover Prog,Multi-National | |
| EVEL GAZEBOW,Psychedelic/Space Rock,United Kingdom | |
| EVELINE,Crossover Prog,Italy | |
| EVELINE'S DUST,Eclectic Prog,Italy | |
| EVEN FLOW,Progressive Metal,Italy | |
| EVEN HORSES,Crossover Prog,Germany | |
| TH VENFALL,Progressive Metal,Argentina | |
| EVENSTATE,Progressive Metal,Netherlands | |
| EVENT,Crossover Prog,United States | |
| EVENT HORIZON,Progressive Metal,United Kingdom | |
| EVER FORTHRIGHT,Tech/Extreme Prog Metal,United States | |
| EVERFRIEND,Symphonic Prog,United States | |
| EVERGREY,Progressive Metal,Sweden | |
| EVERON,Heavy Prog,Germany | |
| EVERSHAM,Post Rock/Math rock,Australia | |
| EVERSHIP,Neo-Prog,United States | |
| EVERWOOD,Progressive Metal,Hungary | |
| EVERY OTHER FATE,Heavy Prog,United States | |
| EVERY WAKING HOUR,Neo-Prog,United States | |
| EVERYTHING IS MADE IN CHINA,Post Rock/Math rock,Russia | |
| EVIL INSIDE,Experimental/Post Metal,Spain | |
| ÉVOHÉ,Zeuhl,France | |
| EVOLUCIÓN,Jazz Rock/Fusion,Chile | |
| EVOLUTIVE,Neo-Prog,France | |
| EVOLVE IV,Prog Related,United States | |
| TH VPATORIA REPORT,Post Rock/Math rock,Switzerland | |
| EVRAAK,Eclectic Prog,Japan | |
| EX CANIX,Krautrock,Sweden | |
| EX CATHEDRA,Prog Related,United States | |
| EX CURIA,Experimental/Post Metal,Australia | |
| EX EYE,Experimental/Post Metal,United States | |
| EX LIBRIS,Progressive Metal,Netherlands | |
| EX OVO PRO,Jazz Rock/Fusion,Germany | |
| EX OX,Progressive Electronic,Canada | |
| EX VITAE,Jazz Rock/Fusion,France | |
| EX-GIRL,RIO/Avant-Prog,Japan | |
| EX-LIBRIS,Symphonic Prog,Canada | |
| EX-P,RIO/Avant-Prog,Italy | |
| EX-VAGUS,Symphonic Prog,France | |
| EX-WISE HEADS,Crossover Prog,United Kingdom | |
| EXAMPLES OF TWELVES,Jazz Rock/Fusion,United Kingdom | |
| EXAWATT,Progressive Metal,Italy | |
| EXCESSIVE VISAGE,Eclectic Prog,Germany | |
| EXCLUSIVE RAJA,Eclectic Prog,France | |
| EXCUBUS,Heavy Prog,Canada | |
| EXEDRA,Progressive Metal,Italy | |
| EXENCE,Tech/Extreme Prog Metal,Italy | |
| EXHAUST,Post Rock/Math rock,Canada | |
| EXHIBIT A,Neo-Prog,United Kingdom | |
| EXHIBITION,Progressive Metal,United States | |
| EXHOPE,Progressive Metal,France | |
| EXIL,Jazz Rock/Fusion,Germany | |
| EXIST,Tech/Extreme Prog Metal,United States | |
| EXISTENCE,Crossover Prog,Canada | |
| EXISTENTIA,Progressive Metal,Russia | |
| EXIT,Prog Related,Switzerland | |
| EXIVIOUS,Tech/Extreme Prog Metal,Netherlands | |
| EXMAGMA,Jazz Rock/Fusion,Germany | |
| EXODE,Symphonic Prog,France | |
| EXODUS,Symphonic Prog,Poland | |
| EXODUS TO INFINITY,Eclectic Prog,United States | |
| EXOTIC ANIMAL PETTING ZOO,Experimental/Post Metal,United States | |
| EXOUSTIA,Neo-Prog,United States | |
| EXOVEX,Crossover Prog,United States | |
| EXPATRIATED,Tech/Extreme Prog Metal,Denmark | |
| EXPERIMENTAL,Eclectic Prog,Chile | |
| EXPERIMENTAL QUINTET,Eclectic Prog,Romania | |
| EXPIRATION OF A YOUNG MAN,Post Rock/Math rock,Egypt | |
| EXPLOIT,Rock Progressivo Italiano,Italy | |
| LOS XPLORADORES,Eclectic Prog,Norway | |
| EXPLORERS CLUB,Heavy Prog,United States | |
| EXPLOSIONS IN THE SKY,Post Rock/Math rock,United States | |
| EXPO 70,Progressive Electronic,United States | |
| EXPONENT,Krautrock,Germany | |
| EXSIMIO,Heavy Prog,Chile | |
| EXTINCTION ALGORITHM,Experimental/Post Metal,Romania | |
| EXTOL,Tech/Extreme Prog Metal,Norway | |
| EXTRA BALL,Jazz Rock/Fusion,Poland | |
| EXTRA LIFE,RIO/Avant-Prog,United States | |
| EXTREMITIES,Tech/Extreme Prog Metal,Netherlands | |
| EXTREMITIES,Progressive Electronic,United Kingdom | |
| EXTROVERT,Progressive Metal,Russia | |
| EXXASENS,Post Rock/Math rock,Spain | |
| EXXON,Neo-Prog,Denmark | |
| EXXPERIOR,Tech/Extreme Prog Metal,Germany | |
| EYALA,Progressive Metal,Mexico | |
| EYE,Psychedelic/Space Rock,United States | |
| EYE 2 EYE,Neo-Prog,France | |
| EYELESS OWL,Eclectic Prog,United States | |
| EYES OF ETHEREA,Jazz Rock/Fusion,Australia | |
| EYESBERG,Neo-Prog,Germany | |
| EYESTRINGS,Neo-Prog,United States | |
| EYEVORY,Crossover Prog,Germany | |
| EYOT,Jazz Rock/Fusion,Serbia | |
| EZOO,Jazz Rock/Fusion,Multi-National | |
| EZRA,Neo-Prog,United Kingdom | |
| EZRA WINSTON,Symphonic Prog,Italy | |