| Mack Lonnie | Whatever's right | Vedette | VPA8107 |
| Mackay Duncan | Score | EMI | EMC3168 |
| MacCall Ewan & Peggy Seeger | The amorous muse | Argo | DA 84 |
| MacCall Ewan & Peggy Seeger | The world of | Argo | SPA 102 |
| MacCall Ewan & Peggy Seeger | The world of volume 2 | Argo | SPA-A216 |
| macleod robert | between the poppy and the snow | Charisma | cas 1114 |
| Magic Sam's blues band | Electric blues chicago style | Goody | 10.005 |
| Magna Carta | In concert | Vertigo | 6360068 |
| Magnum | II | Jet records | 222 |
| Mahavishnu Orchestra | Visions of the emerald beyond | CBS | 69108 |
| Mainhorse | Mainhorse | Polydor | 2383049 |
| Mainieri Mike, Warren Bernhardt | free smiles | Novus | AN3009 |
| Malcolm & Alwyn | Fool's wisdom | Grapevine | GRV 136 |
| Malcolm & Alwyn | Fool's wisdom | Pye | NSPL 18404 |
| Malmsteen Yingwie | Rising force | Polydor | 825324 |
| Man | Live at Padget Rooms Penarth | United artists | USP100 |
| Man | Back into the future | United artists | UAD60053/4 |
| Man | Rhinos, winos and lunatics | United artists | UAS29631 |
| Mandel Harvey | The best of | Janus | JKS7014 |
| Manfred Mann's Earth Band | The roaring silence | Bronze | BRON357 |
| Manfred Mann's Earth Band | Somewhere in Afrika | Ariola | 205077320 |
| Manfred Mann's Earth Band | Manfred mann's earthband | Philips | 6308086 |
| Mann Bary | Lay it all out | CBS | S64805 |
| Manning Folk | King of the sea | Kelly | Man 2 |
| Mariano Charlie | Cascade | Keytone | KYT707 |
| Marmalade | Reflections of marmalade | Decca | SKL5047 |
| Martin Irving | Martin's Magic Sounds | Deram | SML1014 |
| Mas Jeanne | Les crises de l'âme | Columbia | 291817 |
| Mas Jeanne | L'art des femmes | EMI | 795380 |
| Mashmakhan | Mashmakhan | CBS | S64159 |
| Mason Dave | Headkeeper | Blue Thumb | BT10002 |
| Mason Dave | Dave Mason | CBS | 80360 |
| Mason Dave | Split coconut | Columbia | PC33698 |
| Mason Dave | Old crest on a new wave | CBS | 83828 |
| Masqualero | Bande à part | ECM | 1319 |
| Matthew's Southern Comfort | Matthew's southern comfort | Decca | DL75191 |
| Matthew's Southern Comfort | Second spring | UNI | 6369600 |
| Mayall John | A hard core package | ABC | 25237XOT |
| McCalmans | singers three | CBS | 52699 |
| McCalmans | smuggler | Transatlantic | XTRA 1149 |
| McCalmans | An audience with | RCA | LSA 3179 |
| McCalmans | no strings attached | RCA | L 25086 |
| McCalmans | no strings attached | Camden | INTS 1340 |
| McCalmans | turn again | CBS | 654145 |
| Mc Culloch Danny | Wings of a man | Capitol | E-ST174 |
| Mc Cullough Henry | Mind your own business! | Dark Horse | AMLH22005 |
| Mc Dowell Mississippi Fred | In London Vol.1 | Transatlantic | TRA194 |
| Mc Farlane Will | Right Frome The Start | Refuge | R3789 |
| Mc Garrigle Kate & Anna | Dancer with bruised knees | Warner | K 56356 |
| Mc Govern Maureen | Maureen Mc Govern | Curb/Warner | BSK 3327 |
| McKenna Mae | Mae McKenna | Transatlantic | TRA 297 |
| Mc Laughlin Mahavishnu John | My goals' beyond | Douglas 9 | 500017 |
| Mc Nair Harold | Flute and nut | RCA | INTS1096 |
| Mc Peakes | At home with | Fontana | STL 5258 |
| Mc Peak Family | Irish folk | Fontana | sfl 13068 |
| Mc Tell Ralph | You well-meaning brought me here | Famous GW | SFMA 5753 |
| Meal Ticket | Code of the road | EMI | INS3008 |
| Melanie | Live at Carnegie Hall | Buddah | 2 318 011 |
| Melanie | Madringada | Neighborhood | C06285372 |
| Mellow Fruitfulness | Music for meditation | Columbia | SCX 6242 |
| Mendes Sergio | Brasil 86 | A&M | 395135 |
| Message | Using the head | Brain | 60.078 |
| Michel Jean-Christian | Requiem | Riviera | 521.029 |
| Michel Jean-Christian | Aranjuez | Riviera | 521.041 |
| Michel Jean-Christian | Vision d'Ezechiel | General Records | 67 093 |
| Michel Jean-Christian | Musique sacrée | Riviera | 521090 |
| Michel Jean-Christian | Crucifixus | Riviera | 521139 |
| Micus Stefan | Ocean | ECM | 1318 |
| Middleton Max, Ahwai Robert | Another sleeper | Harvest | SHSP4103 |
| Miles Buddy | More miles per gallon | Casablanca | NB7013 |
| Miller Frankie | Double trouble | Chrysalis | 6307625 |
| Miller Steve Band | Book of Dreams | Mercury | 9 286 455 |
| Miller Steve Band | Rock love | Capitol | c062-80962 |
| Mingus Dinasty | Chair in the sky | Warner | 99081 |
| Missing Persons | Rhyme & Reason | Capitol | 1C0642401041 |
| Money Zoot | Zoot Money | Polydor | 2425077 |
| Monkman Francis | Dwellers in the threshold | Maya | MAY01 |
| Montrose Ronnie | Territory | Passport | PJ88009 |
| Monseigneur | Monseigneur | Sibéria | 30-685 |
| Moody Blues | Every good boy deserves a favour | Threshold | THS5 |
| Moore G.T. and raggae guitars | G.T. Moore and the raggae guitars | Charisma | CAS1095 |
| Moraz Patrick | Patrick Moraz | Charisma | CDS4015 |
| Moraz Patrick & Bruford Bill | Flags | EG/Polydor | 825680 |
| Moraz Patrick & Bruford Bill | Music for piano and drums | EG/Polydor | 817291 |
| Moraz Patrick & Syrinx | Coexistence | Carrère | 67499 |
| Moreira Airto | Promises of the sun | Arista | AL4116 |
| Morgan John | Kaleidoscope | EMI | 1C062-93001 |
| Morrison Van | Astral weeks | Midi | MID26004 |
| Morrison Van | Moondance | Warner | 46040 |
| Morrissey Dick | After dark | Coda | 2 |
| Mott The Hoople | Wildlife | Island | 6369031 |
| Mountain | Flowers of evil | Island | ILPS9179 |
| Mountain | Live | Island | ILPS9199 |
| Mouzon Alphonze | Funky snake foot | Blue note | BST84444 |
| Movies | The movies | Arista | AL4085 |
| Mozart | Symphony n° 31,32,35 | Decca | SAD22057 |
| Mozart | Piano concerto n° 26 | Saga | Xid5301 |
| Mozart | Concerto n° 20, fugue in C m | Saga | XID5312 |
| Mr Big | Sweet silence | EMI | EMC3101 |
| Mr Big | Mr Big | EMI | EMC3171 |
| Muldaur Geoff & Nite Lites | I ain't drunk | Island | 203546 |
| Muldaur Maria | Southern winds | Warner | BSK3162 |
| Mullen Jim | Thumbs up | Coda | 4 |
| Murphy Elliott | Aquashow | Polydor | 2 391 100 |
| Murphy Noel | Another round | fontana | stl 5496 |
| Murphy Noel | A touch of the blarney | music for plesaure | mfp 1287 |
| Mussorgsky | Boris Godunov | Saga | XID5174 |