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| M M M M M M M M M M M M M M M M M M M M M M |
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| Mac Miller | G A a g M D |
| | Swimming | | DR | | |
| Madness | G A a g M D |
| | One Step Beyond b/w Mistakes | | 7" | | UK |
| | My Girl b/w Stepping Into Line | | 7" | | UK |
| | The Prince b/w Madness | | 7" | | France |
| | Night Boat to Cairo / Deceives the Eye b/w The Young and the Old / Don't Quote Me on That | | 7" EP | | UK |
| Magazine | G A a g M D |
| | Secondhand Daylight | | CD | | |
| | The Correct Use of Soap | | CD | | Holland |
| | Real Life | | LP | | USA |
| | The Correct Use of Soap | | LP | | UK |
| | Magic, Murder and the Weather | | LP | | |
| | A Song From Under the Floorboards b/w Twenty Years Ago | | 7" | | UK |
| | Thank You (Falletinme Be Mice Elf Again) b/w The Book | | 7" | | UK |
| Maggie Rogers | G A a g M D |
| | Heard It in a Past Life | | DR | | |
| Magic Malik | G A a g M D |
| | Orchestra | | CD | | |
| Mahavishnu Orchestra | G A a g M D |
| | The Lost Trident Sessions | | CD | | |
| Manfred Mann's Earth Band | G A a g M D |
| | Angel Station | | LP | | |
| | Somewhere in Afrika | | LP | | |
| | Somewhere in Afrika | | CD | | |
| | The Best of Manfred Mann's Earth Band Re-Mastered | | DR | | |
| | Mann Alive | | DR | | |
| Marc Cohn | G A a g M D |
| | Listening Booth - 1970 | | DR | | |
| Marc Johnson | G A a g M D |
| | Bass Desires | | DR | | |
| Marc Ribot | G A a g M D |
| | Exercises in Futility | | DR | | |
| | Silent Movies | | DR | | |
| Mark Mothersbaugh | G A a g M D |
| | Muzik for Insomniacs, Volume 1 | | CD | | |
| Massive Attack | G A a g M D |
| | Protection | | CD | | |
| | Greatest Hits 1996/2000 | | CD | | |
| | blue lines | | CD | | |
| | 100th Window | | CD | | |
| | no protection | | CD | | |
| | Heligoland | | DR | | |
| Matthew Shipp | G A a g M D |
| | nu bop | | CD | | |
| | harmonicdisorder | | DR | | |
| | Art of the Improviser | | DR | | |
| Max Roach | G A a g M D |
| | Jazz in 3/4 Time | | DR | | |
| MC 900 Ft. Jesus | G A a g M D |
| | Welcome to My Dream | | CD | | |
| | Hell with the Lid Off | | CD | | |
| | One Step Ahead of the Spider | | CD | | |
| Meat Puppets | G A a g M D |
| | Golden Lies | | CD | | |
| The Mekons | G A a g M D |
| | Punk Rock | | DR | | |
| | self-titled | | LP | | UK |
| | The Quality of Mercy is Not Strnen | | LP | | UK |
| The Members | G A a g M D |
| | Romance b/w The Ballad of John and Martin | | 7" | | UK |
| Memoir | G A a g M D |
| | Fire In Me (+Bandcamp DL) | | CD | | |
| Mental as Anything | G A a g M D |
| | The Nips Are Getting Bigger b/w Instrumental As Anything | | 7" | | UK |
| Meredith Monk | G A a g M D |
| | Dolmen Music | | CD | | Germany |
| | Dolmen Music | | LP | | UK |
| Merton Parkas | G A a g M D |
| | The Complete Mod Collection | | CD | | |
| | Face in the Crowd | | LP | | UK |
| Metalwood | G A a g M D |
| | Chronic | | CD | | |
| Michael Brook | G A a g M D |
| | Cobalt Blue | | CD | | |
| Michael Jackson | G A a g M D |
| | The Essential Michael Jackson | | DR | | |
| Michael Nyman | G A a g M D |
| | The Piano Concerto/MGV | | CD | | USA |
| | Short Cuts - Breaking the Sound Barrier | | DR | | |
| | Michael Nyman Live (1994) | | DR | | |
| Michael Occhipinti and Creation Dream | G A a g M D |
| | Chasing After Light | | CD | | |
| Michel Lemieux | G A a g M D |
| | Taming the Power Inside | | CD | | |
| Michelle Branch | G A a g M D |
| | Everything Comes and Goes | | DR | | |
| | Hotel Paper | | DR | | |
| | The Spirit Room | | DR | | |
| Mick Karn | G A a g M D |
| | The Tooth Mother | | CD | | |
| | Titles | | LP | | |
| Miles Davis | G A a g M D |
| | Kind of Blue | | CD | | |
| | Pangaea | | CD | | |
| | Agharta | | CD | | |
| | Bitches Brew | | CD | | |
| | A Tribute to Jack Johnson | | CD | | |
| | On the Corner (2000 remix) | | DR | | |
| | Sketches of Spain (Legacy Edition) | | DR | | |
| | doo-bop | | DR | | |
| | The Columbia Years 1955-1985 | | DR | | |
| | Miles Ahead | | DR | | |
| Mink DeVille | G A a g M D |
| | Where Angels Fear to Tread | | DR | | |
| Moby | G A a g M D |
| | Play | | CD | | |
| | Drop a Beat | | DR | | |
| Monkey House | G A a g M D |
| | Headquarters | | DR | | |
| The Monochrome Set | G A a g M D |
| | Eligible Bachelors | | CD | | UK |
| | Chaps | | CD | | UK |
| | Four & More | | CD | | |
| | "Strange Boutique" | | LP | | UK |
| | Love Zombies | | LP | | UK |
| | Eligible Bachelors | | LP | | Germany |
| | The Monochrome Set b/w Mr. Bizarro | | 7" | | UK |
| Monsoon | G A a g M D |
| | Ever So Lonely (extended version) b/w Sunset Over the Ganges | | 12" | | |
| The Mothers of Invention | G A a g M D |
| | Weasels Ripped My Flesh | | DR | | |
| Montreal Jubilation Gospel Choir | G A a g M D |
| | A Capella | | CD | | |
| Morrissey | G A a g M D |
| | You are the Quarry | | CD | | |
| Morton Feldman | G A a g M D |
| | For John Cage | | CD | | |
| | The Viola in My Life | | DR | | |
| Mouth Music | G A a g M D |
| | Mo-Di | | CD | | |