| AUTOR / INTERPRETE | DISCO | ORIGEN | AÑO |
| Machiavel | Mechanical Moonbeams | Bélgica | 1978 |
| MACIAS | Por espacios abiertos | ||
| MAD PUPPET | Masque | ||
| MADRIGAL | On my hands | ||
| MAE, VANESSA | The violin player | ||
| MAERON TRI | Mien | ||
| MAESSO, JERONIMO | Arraigo | ||
| MAESSO, JERONIMO | Bestiario | ||
| Magellan | Impending Ascension | U.S.A. | 1993 |
| Magma | Live | Francia | 1978 |
| Magma | Kronicas (Canto... / La transormación) | Argentina | 1982-85 |
| Magma | Kohntarkosz | Francia | |
| Magma | Mekanïk Destruktïw Kommandon | ||
| Magma | Merci | ||
| Magma | Mythes et legendes | ||
| Magma | Üdü wüdü | ||
| MAGNA CARTA | Seasons | ||
| MAGUS | Traveller | ||
| Mahavishnu Orchestra | The Inner Mounting Flame | U.S.A. | 1970 |
| Mahavishnu Orchestra | Between nothingness and eternity | U.S.A. | 1973 |
| Mahavishnu Orchestra | Birds Of Fire | U.S.A. | 1973 |
| Mahavishnu Orchestra | Apocalypse | U.S.A. | 1974 |
| Mahavishnu Orchestra | Vision of emerald beyond | U.S.A. | 1975 |
| Mahavishnu Orchestra | The lost Trident Sessions | U.S.A. | 1999 |
| Mahavishnu Orchestra | Adventures in Radioland | ||
| Mahavishnu Orchestra | Inner worlds | ||
| Mahavishnu Orchestra | Mahavishnu | ||
| MAHL, NATHAN | The clever use of shadows | ||
| Malibran | The wood of Tales | Italia | 1990 |
| Malibran | Le porte del silenzio | Italia | 1993 |
| Malibran | La Citta sul Lago | Italia | 1998 |
| MALMSTEEN, INGWIE J. | Magnum opus | ||
| MALMSTEEN, INGWIE J. | Trilogy | ||
| Malombra | Malombra | Italia | 1992 |
| MAMA'S BOYS | Live tonight | ||
| Manal | En Obras | Argentina | 1982 |
| Mandalaband | The Eye Of Wendor (Prophecies) | U.K. | 1978 |
| Mandrágora | Pecado tras pecado | Argentina | 1983 |
| Mannheim Steamroller | Fresh Aire II | U.S.A. | 1977 |
| Mannheim Steamroller | Fresh Aire III | U.S.A. | 1979 |
| Mannheim Steamroller | Fresh aire IV | U.S.A. | 1981 |
| Mannheim Steamroller | Fresh Aire V | U.S.A. | 1983 |
| Mannheim Steamroller | Fresh Aire VII | U.S.A. | 1990 |
| Mannheim Steamroller | A Fresh Aire christmas | U.S.A. | |
| Mannheim Steamroller | Fresh aire I | U.S.A. | |
| Mannheim Steamroller | Fresh aire VI | U.S.A. | |
| Mannheim Steamroller | Interludes | U.S.A. | |
| Mannheim Steamroller | Saving the wildlife | U.S.A. | |
| Mannheim Steamroller | To Russia with love | U.S.A. | |
| Mannheim Steamroller | Yellowstone The music of nature | U.S.A. | |
| MANRING, MICHAEL | Thonk | ||
| MANRING, MICHAEL | Unusual weather | ||
| MANÚ | Sin límites | ||
| MANZANERA, PHIL | Diamond head | ||
| MANZANERA, PHIL | K-Scope | ||
| MANZANERA, PHIL | Listen now | ||
| MANZANERA, PHIL | Southern cross | ||
| Manzarek, Ray | Carmina Burana | U.S.A. | 1993 |
| Máquina | Why? | España | 1971 |
| Maquina De Hacer Pajaros, La | La Maquina De Hacer Pajaros | Argentina | 1976 |
| Maquina De Hacer Pajaros, La | Peliculas | Argentina | 1977 |
| Marillion | Seasons End | U.K. | 1989 |
| Marillion | Holydays In Eden | U.K. | 1991 |
| Marillion | A Singles Collection | U.K. | 1992 |
| Marillion | Brave | U.K. | 1994 |
| Marillion | Afraid Of Sunlight | U.K. | 1995 |
| Marillion | Made Again | U.K. | 1996 |
| Marillion | Misplaced Childhood | U.S.A. | |
| Marillion | B' sides themselves | ||
| Marillion | Clutching at straws | ||
| Marillion | Fugazi | ||
| Marillion | Golden tears | ||
| Marillion | Marillion.com | ||
| Marillion | Radiation | ||
| Marillion | Real to reel | ||
| Marillion | Script for a jester's tear | ||
| Marillion | The thieving magpie | ||
| Marillion | This strange engine | ||
| Marley, Bob & The Wailers | Legend | Jamaica | 1984 |
| MARTZ, JASUN | The pillory | ||
| MARYSON | Master magician I | ||
| MASON + FENN | Profiles | ||
| Mason, Nick | Fictitious Sports | U.K. | 1981 |
| Mastermind | Volume Two "Brainstorm" | U.S.A. | 1992 |
| Mastermind | Brainstorm | ||
| Mastermind | Tragic symphony | ||
| Mastermind | Until eternity | ||
| Mastermind | Volume one | ||
| Materia Gris | Oh Perra Vida de Beto | Argentina | 1972 |
| MATSUI, KEIKO | Under northern lights | ||
| Maxophone | Maxophone (Versión inglesa) | Italia | 1975 |
| Maxophone | Maxophone (Versión italiana) | Italia | 1975 |
| MCC | Música y Contracultura 1980 / 1984 | México | 1984 |
| McCartney, Paul | All The Best | U.K. | 1987 |
| McCartney, Paul | Unplugged (The Official Bootleg) | U.K. | 1991 |
| McDONALD & GILES | McDonald & Giles | ||
| McKENDREE SPRING | Spring suite | ||
| McKENDREE SPRING | Third | ||
| McKennitt, Loreena | The Mask And Mirror | Canadá | 1994 |
| McLACHLAN, SARAH | Fumbling towards ecstasy | ||
| McLACHLAN, SARAH | The freedom sessions | ||
| McLaughlin, John | Devotion | U.S.A. | 1970 |
| McLaughlin, John | The Promise | U.S.A. | 1995 |
| McLaughlin, John | The Mediterranean | ||
| McLaughlin, John | After the rain | ||
| McLaughlin, John | Electric guitarrist | ||
| McLaughlin, John | My goals beyond | ||
| McLaughlin, John | Qué alegría | ||
| McLaughlin, John | Time remembered | ||
| McLaughlin, John | Tokyo live | ||
| McLaughlin, John / Di Meola, Al / De Lucía, Paco | Friday Night In San Francisco | Varios | 1981 |
| McLaughlin, John / Di Meola, Al / De Lucía, Paco | Passion, Grace & Fire | Varios | 1983 |
| Medeski Martin & Wood | Notes From the Underground | U.S.A. | 1992 |
| Medina Azahara | Paseando Por La Mezquita | España | 1979 |
| Medina Azahara | Sus tres albumes en CBS (MA, la esquina del viento y Andalucía | España | 1979 |
| Medina Azahara | En Al - Hakim | España | 1989 |
| Medina Azahara | Sin Tiempo | España | 1992 |
| MEDINA AZAHARA | A toda esa gente | ||
| Men At Work | Business As Usual | Australia | 1982 |
| Men At Work | Cargo | Australia | 1983 |
| MEN OF LAKE | Music from the land of mountains | ||
| MENDES, SERGIO | Pais tropical with Brasil 77 | ||
| MERTENS, WIM | Close cover | ||
| MERTENS, WIM | Whisper me | ||
| MESSAGE TO LOVE | The Isle of Wight Festival 7 | ||
| Mestre, Nito | Nito Mestre | Argentina | 1985 |
| METALLICA | Caught in the act | ||
| METALLICA | Master of puppets | ||
| METALLICA | Metallica | ||
| Metamorfosi | ...e fú il sesto giorno | Italia | 1972 |
| Metamorfosi | Inferno | Italia | 1972 |
| Metheny, Pat | New Chautauqua | U.S.A. | 1979 |
| Metheny, Pat | We live here | ||
| Metheny, Pat | Bright size life | ||
| Metheny, Pat | First circle | ||
| Metheny, Pat | Offramp | ||
| Metheny, Pat | Secret story | ||
| Metheny, Pat | Still life (talking) | ||
| Metheny, Pat | The road to you | ||
| Metheny, Pat & Mays, Lyle | As Falls Wichita, So Falls Wichita Falls | U.S.A. | 1981 |
| Metheny, Pat (Haden, C. / DeJohnette, J. / Redman, D. / Brecker, M.) | 80 / 81 | U.S.A. | 1980 |
| Metheny, Pat / Coleman, Ornette (Haden,C./DeJohnette,J./Coleman,D.) | Song X | U.S.A. | 1986 |
| Metheny, Pat Group ( Mays, L. / Rodby, S. / Aznar, P. / Wertico, P. ) | First Circle | U.S.A. | 1981 |
| Metheny, Pat Group ( Mays, Lyle / Egan, Mark / Dottlieb, Dan ) | American Garage | U.S.A. | 1979 |
| Mezquita | Recuerdos de mi tierra | España | 1979 |
| MIA | Mágicos juegos del tiempo | Argentina | 1977 |
| MIA | Cornonstipicum | Argentina | 1978 |
| Michel Huygen | BARCELONA 1992 | ||
| Milla | The Divine Comedy | Rusia | 1994 |
| Miller, Phil | Cutting Both Ways | U.K. | 1989 |
| MIND GALLERY | The lemmings were pushed | ||
| Minimun Vital | Sarabandes | Francia | 1990 |
| Minimun Vital | La Source | Francia | 1993 |
| Minimun Vital | Au Cercle De Pierre (a live album) | Francia | 1998 |
| Minimun Vital | Envol triangles | ||
| Minimun Vital | Esprit de amor | ||
| Minimun Vital | Les saisons merines | ||
| Miriodor | Rencontres | Canadá | 1984 |
| Miriodor | Miriodor | Canadá | 1988 |
| Miriodor | 3rd Warning | Canadá | 1991 |
| MISSING PERSONS | Rhyme & reason | ||
| MISSING PERSONS | Spring session M | ||
| MITCHELL, BLUE | Blues' Blues | ||
| Mitchell, Joni | Turbulent Indigo | Canadá | 1994 |
| Mitchell, Joni | Taming The Tiger | Canadá | 1998 |
| MITCHELL, JONI | Don Juan's reckless daughter | ||
| MITCHELL, JONI | Shadows and light | ||
| MNEMONISTS | Horde | ||
| MO.DO. | La scimia sulla schiena del re | Italia | 1975 |
| MOEBIUS | Tonspuren | ||
| MOEBIUS & ROEDELIUS | Apropos cluster | ||
| Mona Lisa | L'escapade | Francia | 1974 |
| Mona Lisa | Le Petit Violon De Mr. Gregoire | Francia | 1977 |
| Mona Lisa | Avant que ne soit trop tard | Francia | |
| Mona Lisa | De l'ombre à la lumière | ||
| MONOLITH | Monolith | ||
| Montage | Montage | Mexico | 1986 |
| Montefeltro | Il tempo di far la fantasia | Italia | 1992 |
| Montesano, Gustavo | Homenaje | Argentina | 1977 |
| MONTREAUX | Live in Montreux | ||
| Moody Blues, The | Days of future passed | U.K. | 1967 |
| Moody Blues, The | The Story Of The (Greatest Hits) | U.K. | 1989 |
| Moon Revisited, The | Another Perspective On The Dark Side Of The Moon | Varios | 1995 |
| Moonchild 98 (Sampler Sello Moonchild) | Moonchild 98 | U.S.A. | 1998 |
| MOONGARDEN | Brainstorm of emptyness | ||
| Moraz, Patrick | The Story Of I | Suiza | 1976 |
| Moraz, Patrick | Out In The Sun | Suiza | 1977 |
| Moraz, Patrick | Human interface | ||
| Moraz, Patrick | Out in the sun | ||
| Moraz, Patrick | Timecode | ||
| Moraz, Patrick | Windows of time | ||
| Moraz, Patrick / Bruford, Bill | Flags | Suiza | 1985 |
| Moris | Ciudad de guitarras callejeras | Argentina | 1974 |
| MORNING RAGAS | Vol. | ||
| Morricone, Ennio | Legendary italian westerns Vol II | Italia | 1990 |
| Morse, Steve Band | Structural Damage | U.S.A. | 1995 |
| Morse, Steve Band | Coast to coast | ||
| Morse, Steve Band | Stressfest | ||
| Morte Macabre | Symphonic Holocaust | Suecia | 1998 |
| MOTHER MALLARD'S PORTABLE MASTERPIECE COMPANY | Like a duck to water | ||
| MÖTLEY CRÜE | Shout at the devil tour | ||
| MÖTLEY CRÜE | Shout at the devil | ||
| MOTOR ANGEL | Re sangue marcio | ||
| MOTORHEAD | Look up to your daughter | ||
| MOTT | Drive on | ||
| Moustaki, Georges | Georges Mustaki | Grecia | 1971 |
| MR. MISTER | Welcome to the real world | ||
| Mucchio, Il | Mucchio, Il | Italia | 1970 |
| Muffins, The | 185 | U.S.A. | 1996 |
| MUGEN | Leda et le cygne | ||
| MULTI-STORY | East west | ||
| Muñoz, Luis | The Fruit Of Eden | Costa Rica | 1995 |
| Murple, I | Murple, I | Italia | 1974 |
| Museo Rosembach | Live and unreleased | Italia | 1972 |
| Museo Rosembach | Rarities | Italia | 1972 |
| Museo Rosembach | Zarathustra | Italia | 1972 |
| MUSIC FROM INDIA | Ram Chandra | ||
| Music Revelation Ensemble | In The Name Of... | U.S.A. | 1994 |
| MUSICA CHINA | Música China | ||
| MUSICA ESPORADICA | Música esporádica | ||
| MUSICA INVISIBLE | MCMXC | ||
| MUSICA PARA DESAPARECER DENTRO | Vol. III: Roger Eno, Harold Budd | ||
| MUSICA PARA DESAPARECER DENTRO | Carlos Nakai, Bill Douglas y otros | ||
| MUSICA PARA DESAPARECER DENTRO | Himekami, Tim Clark y otros | ||
| MUSICA PARA DESAPARECER DENTRO | Vol. I: Constance Demby, | ||
| MUSICA PARA DESAPARECER DENTRO | Vol. II: Paul Winter, The Nylons, | ||
| MUSICHOUND ROCK | Plastilina Mosh, Megadeth, Block | ||
| Mussida, Franco | Accordo | Italia | 1991 |
| Mythos | Mythos | Alemania | 1971 |
| NADMA | Uno zingaro di Atlante con un fiore a N. Y. | Italia | 1972 |
| NAKAMURA, YURIKO | Wind and reflections | ||
| NANNI, FRANCO | Elicoide | ||
| Narada | The Narada Collection | Varios | 1988 |
| Narada | A Childhood Remembered | Varios | 1991 |
| Narada | Decade | Varios | 1993 |
| NARADA DECADE | David Lanz, Friedemann, Trapezoid, | ||
| NARADA DECADE | Paul Speer, Peter Buffet y otros | ||
| NARADA LOTUS ARTISTS | Sampler #2 | ||
| NASCIMENTO, MILTON | Amigo | ||
| NASCIMENTO, MILTON | Angelus | ||
| NASCIMENTO, MILTON | Txai | ||
| Nathan Mahl | The Clever Use of Shadows | Canadá | 1998 |
| National Health | Missing Pieces | U.K. | 1977 |
| National Health | Complete | U.K. | 1979 |
| NATIVITY IN BLACK | A tribute to Black Sabbath | ||
| Nektar | Sound Like This | U.K. | 1973 |
| Nektar | Recycled | U.K. | 1975 |
| Nektar | Live in New York | U.K. | 1977 |
| Nektar | Magic is a child | U.K. | 1977 |
| Nektar | More Live in New York | U.K. | 1978 |
| Nektar | Trhu the ears | U.K. | 1978 |
| Nektar | Nektar | U.K. | 1987 |
| Nektar | Nektar | U.K. | 1993 |
| NEKTAR | down to earth | ||
| NEPENTHE | Everything was beautiful and nothing hurt | ||
| Neuronium | Cromium Echoes | España | 1982 |
| Neuronium | Heritage | España | 1988 |
| Neuronium | Extrisimo | ||
| Neuronium | Supranatural | ||
| Neuronium | Sybaris | ||
| Neuronium & Vangelis | In london | España | 1992 |
| NEUSCHWANSTEIN | Battlement | ||
| New Grove Project, The | Fool's Journey | Suecia | 1996 |
| NEW INTERNATIONALISTS | All just one | ||
| New Trolls | New Trolls | Italia | 1970 |
| New Trolls | Concerto Grosso I | Italia | 1971 |
| New Trolls | Searching for a land | Italia | 1972 |
| New Trolls | UT | Italia | 1972 |
| New Trolls | Concerto Grosso II | Italia | 1976 |
| New Trolls | FS | Italia | 1981 |
| New Trolls | Singles A´s and B´s | Italia | 1967-81 |
| Next | The virtual cage | Italia | 1994 |
| Nexus | Detras del umbral | Argentina | 1999 |
| Nice, The | The Best Of… | U.K. | 1993 |
| NIGHTARK | Picture | ||
| Nightnoise | Something Of Time | U.S.A. | 1987 |
| Nightnoise | Something in time | ||
| Nightnoise | A different shore | ||
| Nightnoise | At the end of the evening | ||
| Nightnoise | En concierto en Madrid | ||
| Nightnoise | Shadow of time | ||
| Nightnoise | The parting tide | ||
| Nightnoise | The white horse sessions | ||
| Nightwinds | Nightwinds | Canada | 1990 |
| Nirgal Vallis | Y Murió La Tarde | México | 1984 |
| Nirvana | Nevermind | U.S.A. | 1991 |
| Nito Mestre y los desconocidos de siempre | Nito Mestre y los desconocidos de siempre | Argentina | 1977 |
| Nito Mestre y los desconocidos de siempre | Saltaba sobre las nubes | Argentina | 1979 |
| Nobilis Factum | Mutante | México | 1982 |
| Nocenzi, Gianni | Empusa | Italia | 1988 |
| Nolan, Clive & Wakeman, Oliver | Jabberwocky | U.K. | 1999 |
| NORDIC PROGRESSIVE SAMPLER | Five fifteen, Valinors Tree, Cross | ||
| NORTH STAR | Power | ||
| NORTHERN LIGHTS | Music of contemplation for new age | ||
| Norton, Doris | The double side of the science | Italia | 1990 |
| Notturno Concertante | The hiding place | Italia | 1989 |
| Nova | Blink | Italia | 1975 |
| Novalis | Flossenengel | Alemania | 1979 |
| NOVALIS | Nach uns die flut | ||
| NOW | Spheres | ||
| ÑU | A golpe de látigo | ||
| ÑU | No hay ningún loco | ||
| ÑU | Fuego | ||
| NUEVAS MUSICAS EN ESPAÑA | Luis Delgado, Luis Paniagua, | ||
| NUEVAS MUSICAS EN ESPAÑA | Suso Sáiz, Iury Lech, Pep Llopis | ||
| NUMEN | Samsara | ||
| Numi, I | Alpha Ralpha boulevard | Italia | 1971 |
| NÚÑEZ, ADOLFO | Anira | ||
| Nuova Era | L'ultimo Viaggio | Italia | 1988 |
| Nuova Era | Dopo L'infinito | Italia | 1989 |
| Nuova Era | L´ultimo viaggio (Version 1999) | Italia | 1989 |
| Nuova Era | Io e il tempo | Italia | 1992 |
| Nuova Era | Il passo del soldato | Italia | 1995 |
| Nuova Idea | In the beggining | Italia | 1971 |
| Nuova Idea | Mr. E. Jones | Italia | 1972 |
| Nuova Idea | Clowns | Italia | 1973 |
| NURSE WITH WOUND | A sucked orange | ||
| Nuvole di Paglia | Live 1973 | Italia | 1973 |
| Nuvole di Paglia | And then... | Italia | 1993 |
| O TERÇO | Live at palace | ||
| O TERÇO | Time travellers | ||
| Oblique | Oblique | Francia | |
| Obregón, Manuel | Simbiosis | Costa Rica | 1999 |
| October Project | October Project | U.S.A. | 1993 |
| October Project | Falling Farther In | U.S.A. | 1995 |
| O'HEARN, PATRICK | El Dorado | ||
| O'HEARN, PATRICK | Rivers gonna rise | ||
| O'HEARN, PATRICK | Ancient dream | ||
| O'HEARN, PATRICK | Between two worlds | ||
| O'HEARN, PATRICK | Indigo | ||
| O'HEARN, PATRICK | Metaphor | ||
| OHO | Ecce Oho | ||
| Oldfield, Mike | Tubular Bells | U.K. | 1973 |
| Oldfield, Mike | Hergest Ridge | U.K. | 1974 |
| Oldfield, Mike | Boxed | U.K. | 1977 |
| Oldfield, Mike | Exposed | U.K. | 1979 |
| Oldfield, Mike | QE2 | U.K. | 1980 |
| Oldfield, Mike | Five Miles Out | U.K. | 1982 |
| Oldfield, Mike | Tubular Bells II | U.K. | 1992 |
| Oldfield, Mike | Elements - Box Set 4 Discos | U.K. | 1993 |
| Oldfield, Mike | The songs from distant earth | U.K. | 1995 |
| Oldfield, Mike | Airborn | ||
| Oldfield, Mike | Amarok | ||
| Oldfield, Mike | Crises | ||
| Oldfield, Mike | Discovery | ||
| Oldfield, Mike | Incantations | ||
| Oldfield, Mike | Islands | ||
| Oldfield, Mike | Ommadawn | ||
| Oldfield, Mike | The consecuences of indecisions | ||
| Oldfield, Mike | The orchestral Tubular Bells | ||
| Oldfield, Mike | Voyager | ||
| Oldfield, Sally | The Collection | U.K. | 1986 |
| Oldfield, Sally | Strange day in Berlin??? | U.K. | |
| OM | OM | España | 1971 |
| Omega | Gammapolis | Hungría | 1978 |
| Omega | Skyrover | Hungría | 1978 |
| Onza | Reino Rocoso | España | 1991 |
| Opus Avantra | Donnella del Monaco | Italia | 1974 |
| Opus Avantra | Introspezione | Italia | 1974 |
| Opus Avantra | Lord Cromwell Plays Suite For Seven Vices | Italia | 1975 |
| Opus Avantra | Strata | Italia | 1989 |
| Opus Avantra | Lyrics | Italia | 1995 |
| ORB | Orbus terrarum | ||
| Oregon | Out Of The Woods | U.S.A. | 1978 |
| Oregon | Roots In The Sky | U.S.A. | 1979 |
| Oregon | Oregon | U.S.A. | 1983 |
| Oregon | Crossing | U.S.A. | 1985 |
| Oregon | Ecotopia | U.S.A. | 1987 |
| Oregon | Beyond Words | U.S.A. | 1995 |
| OREGON | 45th paralell | ||
| OREGON | Distant hills | ||
| OREGON | Out of the woods | ||
| OREGON | Roots in the sky | ||
| ORFEON GAGARIN | Gift of fire | ||
| Orme, Le | Ad Gloriam | Italia | 1969 |
| Orme, Le | Special Edition | Italia | 1969 |
| Orme, Le | L´aurora | Italia | 1970 |
| Orme, Le | Collage | Italia | 1971 |
| Orme, Le | Uomo di pezza | Italia | 1971 |
| Orme, Le | Felona e sorona | Italia | 1973 |
| Orme, Le | Contrapuntti | Italia | 1974 |
| Orme, Le | In concerto | Italia | 1974 |
| Orme, Le | Smogmagica | Italia | 1975 |
| Orme, Le | Verita Nascoste | Italia | 1976 |
| Orme, Le | Storia o leggenda | Italia | 1977 |
| Orme, Le | Florian | Italia | 1979 |
| Orme, Le | Biancaneve (Recopilacion) | Italia | 1994 |
| Orme, Le | Il Fiume | Italia | 1996 |
| Orme, Le | Amico di ieri | Italia | 1997 |
| OS PARALAMAS DO SUCESSO | Os graos | ||
| Osage Tribe | Arrow Head | Italia | 1972 |
| OSAMU | Sweet chaos | ||
| Osanna | L´uomo | Italia | 1971 |
| Osanna | Milano Calibro 9 | Italia | 1972 |
| Osanna | Palepoli | Italia | 1973 |
| Osanna | Landscape of life | Italia | 1974 |
| OSBOURNE, OZZY | Bark at the moon | ||
| OSBOURNE, OZZY | Blizzard of Ozz | ||
| OSBOURNE, OZZY | Live & loud | ||
| OSBOURNE, OZZY | No more tears | ||
| OSBOURNE, OZZY | Ozzmosis | ||
| OSBOURNE, OZZY | Ozzymiun | ||
| OSBOURNE, OZZY | Shot in the dark | ||
| OSE | OSE | Francia | 1983 |
| Osiris | Osiris | Bahrain | 1982 |
| OSKAY, BILLY & MICHEAL O'DOMHNAIL | Nightnoise | ||
| O'SUILLEABHAN, MICHEAL | The dolphins way | ||
| Outer Limits | Misty Moon | Japón | 1985 |
| Outer Limits | The Scene of Pale Blue | Japón | 1987 |
| Outer Limits | Outermania | ||
| Outer Limits | The silver apples on the moon | ||
| Ozric Tentacles | Pungent Effulgent | U.K. | 1989 |
| Ozric Tentacles | Erpland | U.K. | 1990 |
| Ozric Tentacles | Arborescence | U.K. | 1991 |
| Ozric Tentacles | Strangeitude | U.K. | 1991 |
| Ozric Tentacles | Afterswish - 1984 / 1991 | U.K. | 1992 |
| Ozric Tentacles | Jurassic Shift | U.K. | 1994 |
| Ozric Tentacles | Curious Corn | U.K. | 1997 |
| Ozric Tentacles | Erpsongs | ||
| P. L. J. Band | Armageddon | Grecia | 1982 |
| Pablo El Enterrador | Pablo El Enterrador | Argentina | 1983 |
| Pablo El Enterrador | Pablo El Enterrador II | Argentina | 1997 |
| Paese dei balocchi | Paese dei balocchi | Italia | 1972 |
| Paez, Fito | Del '63 | Argentina | 1984 |
| Paez, Fito | Giros | Argentina | 1985 |
| Paez, Fito | Ciudad de pobres corazones | ||
| Paez, Fito | Ey! | ||
| Paez, Fito | < |