| Magnet | Rea Chris | Dancing with strangers | 242 364-1 |
| Magnet | Young & Moody | Young and moody | C064-99040 |
| Magnetix | Sofa | 33/45 | MX 0002 |
| Magnetix | Sofa | Take a seat | MX 0003 |
| Magnum Production | Therapy | Bringing the house down | MAG 0009 |
| Major Minor | Campbell Ian | Tam o’shanter | GOL 204 |
| MAM | Korda Paul | Passing stranger | MAM-AS 1003 |
| MAM | O'Sullivan Gilbert | A Stranger in my own Back Yard | MAM SS 506 |
| Manticore | Emerson Lake & Palmer | Brain salad surgery | 87 302 IT |
| Manticore | Emerson Lake & Palmer | Works vol. 2 | 25 553 XOT |
| Manticore | Premiat Forneria Marconi | The world became the world | 87 816 IT |
| Manticore | Thee Image | Thee Image | 88 922 IT |
| Marble Arch | Johnstons | The travelling people | MAL 808 |
| Marble Arch | Os Ritimistas Brasileiros | Stereophonic journey in percussion | MALS 1361 |
| Marble Arch | Status Quo | Status quo-tations | MALS 1193 |
| Marble Arch | Tinkers | The reluctant patriot | MAL 1203 |
| Maya | Francis Monkman | Dwellers in the threshold | MAY01 |
| MCA | Colosseum II | Savage | 62.079 |
| MCA | Colosseum II | Wardance | MCF 2817 |
| MCA | KGB | Motion | 6.22848 AO |
| MCA | Lee Albert | Gagged but not bound | 255-075-1 |
| MCA | Lloyd Weber Andrew | Evita | 82.001-2 |
| MCA | Lloyd Weber Andrew | Variations | 0062. 104 |
| MCA | Poco | Under the Gun | 5132 |
| MCA | Thompson Barbara' Paraphernalia | Barbar Thompson's paraphernalia | MCF 2852 |
| MCA | Thompson Barbara' Paraphernalia | Live in concert | 301 415-406 |
| MCA | Thompson Barbara, Argent Rod | Ghosts | 204 497 |
| MCA | Various artists | Jesus Christ Superstar | MAPS 5533 |
| MCA | Wishbone ash | Pilgrimage | MAPS 5060 |
| MCA | Wishbone ash | New england | MCA 2238 |
| Média 78 | Abus | Jazz and roll | JB 107 |
| Mercury | Allwright Graeme | Le jour de clarté | 6 325 605 |
| Mercury | B.T:O. | Rock 'n roll nights | 9 111 020 |
| Mercury | Buckingham Lindsay | Law and order | 6 302 167 |
| Mercury | Con Funk Shun | Candy | 9 111 023 |
| Mercury | Essdex David | Mutiny | Merh30 |
| Mercury | Flock | Inside out | SRM-1-1035 |
| Mercury | Godley Kevin, Creme Lol | L | 9 109 611 |
| Mercury | Greenslade | Time and tide | SRM-1-1025 |
| Mercury | Heartsfield | The wonder of it all | SRM-1-1003 |
| Mercury | Jackson's Heights | King Progress | SR 61331 |
| Mercury | Miller Steve Band | Book of Dreams | 9 286 455 |
| Mercury | Rush | Rush | 6 338 834 |
| Mercury | Twiggy | Twiggy | 9 102 600 |
| Mercury | Vitamin Z | Rites of passage | 824 393 |
| Metronome | Double | Blue | 827 235 |
| Metronome | Entrance | Live as well | MLP 15631 |
| Metronome | Korner Alexis | Alexis | LMLP 15 802 |
| Metronome | Los Lobos | By the light of the moon | 828 033 |
| MGM | Animals | The animals | SE 4264 |
| MGM | Burdon Eric & Animals | Eric is here | SE-4433 |
| MGM | Burdon Eric & Animals | Everyone of us | Se-4553 |
| MGM | Burdon Eric & Animals | Love is | SE-4591/92 |
| MGM | Burdon Eric & Animals | The best Vol 2. | SE-4454 |
| MGM | Burdon Eric & Animals | The twain shall meet | SE-4537 |
| MGM | Burdon Eric & War | Black man's Burdon | SE-4710-2 |
| MGM | Burdon Eric & War | Eric Burdon declares War | SE-4663 |
| Midi | Electric Prunes | Mass in F minor | MID 24010 |
| Midi | Morrison Van | Astral weeks | MID 26 004 |
| Milestone | Azymuth | Spectrum | 827 541-1 |
| Milestone | Crawford Hank | Indigo blue | 2521-89119 |
| Milestones | Purim Flory | Butterfly dreams | M-9052 |
| Moers music | Vienna Art Choir | Five old songs | 2036 |
| Moers music | Vienna Art Orchestra | Nightride of a lonely saxophone player | 02054/5 |
| Moers music | Vienna Art Orchestra | Serapionsmusic | 2050 |
| Monkey records | Various artists | Hendrix, Page,Beck,Clapton | MY 43.006 |
| Motown | Supremes | High energy | M6-863S1 |
| MPS | Alexander Monty | Monty Strikes again Live in Germany | 68.044 |
| MPS | Duke George | Liberated fantasies | CC 228 355 |
| MPS | Goldberg Stu, Palle Danielson | Live | 68291 |
| mps | Hubbard Freddie | the Hub of Hubbard | 15037 |
| MPS | Kühn Rolf Group | Total space | 2 022 625 |
| MPS | Pike Dave Set | Four reasons | MPS 15253 |
| MPS | Ponty Jean-Luc | Sunday Walk | 68.226 |
| Mulligan | Bothy Band | Afterhours | LUN 030 |
| Musdisc | Handel | 4 suites pour clavecin | RC 795 |
| Muse Records | Friesen David | Storyteller | MR 5255 |
| Music for Pleasure | Murphy Noel | A touch of the Blarney | MFP 1287 |
| Musidisc | Fremont Group | The best of jimi hendrix | CV 1208 |
| Musidisc | Laffaille Gilbert | Travelling | 191 181 |
| Mystery Redords | Coughlan Mary | Ancient Rain | MRLP 004 |