| Album artist | Albums | Tracks | Length |
| M J Cole | | 1 | 03:25 |
| M People | 1 | 4 | 18:13 |
| M2M (Pokemon Movie) | 1 | 1 | 03:46 |
| Machine Gun Fellatio | | 3 | 10:35 |
| Macy Gray | 3 | 22 | 1:37:27 |
| Mad About The Boy | | 1 | 03:01 |
| Maddy Prior | | 1 | 05:52 |
| Madeleine Peyroux | 1 | 12 | 49:03 |
| Madison Avenue | 2 | 5 | 19:59 |
| Madness | 1 | 4 | 14:02 |
| Madonna | 6 | 51 | 3:50:38 |
| Magazine | 1 | 1 | 03:19 |
| Magnet | | 1 | 03:34 |
| Magnolia | | 1 | 04:34 |
| Maio Piu Feat | | 1 | 04:11 |
| Malcolm Danglish | | 1 | 02:40 |
| Malcolm Mclaren | 4 | 7 | 33:11 |
| Malena Burke | | 6 | 19:11 |
| Mamas & Papas | 1 | 1 | 02:36 |
| Mamas & The Papas | 1 | 1 | 02:42 |
| Man | 1 | 1 | 04:11 |
| Man Called Adam | 1 | 1 | 04:06 |
| MANDALAY | | 1 | 04:25 |
| Mandel, Harvey | | 1 | 05:23 |
| Mandy Moore | 2 | 2 | 07:55 |
| Manfred Mann | | 1 | 03:10 |
| Manhattans | | 1 | 04:29 |
| Manic Street Preachers | 3 | 6 | 27:35 |
| Manix | | 1 | 05:20 |
| Manjaro - The Creator | | 1 | 03:42 |
| Manmade God | 1 | 11 | 44:43 |
| Mano Negra | 2 | 2 | 03:07 |
| Mansun | 1 | 1 | 03:59 |
| Marathon | | 1 | 03:06 |
| Marc Bolan & T. Rex | 1 | 16 | 1:05:09 |
| Marc Anthony | 2 | 3 | 11:00 |
| Marc Anthony, Sal Cuevas, Ximera DePombo, Jennifer Lopez, Jennifer Lopez, Manuel Lopez, Lena Pz, Jorges Valero, Josiguel Veluez | | 1 | 05:04 |
| Marc Anthony, Sal Cuevas, Ximera DePombo, Jennifer Lopez, Manuel Lopez, Lena Pz, Jorges Valero, Josiguel Veluez | | 1 | 04:39 |
| Marc Antoine | | 1 | 05:03 |
| Marc Bolan & T. Rex | 2 | 31 | 1:55:56 |
| Marc Bolan & T-Rex | 1 | 1 | 03:39 |
| Marc Cohn | | 1 | 04:18 |
| Marc Et Claude | | 1 | 03:40 |
| Marcella Detroit | 1 | 13 | 52:19 |
| Marcelo Kayath | 1 | 19 | 1:04:53 |
| Marcels | 2 | 2 | 04:23 |
| Marcels | 1 | 1 | 02:12 |
| Marco V & Benjamin | | 2 | 06:54 |
| MARCOS VALLE | | 1 | 06:41 |
| Marcy Playground | | 1 | 02:52 |
| Mareko | 1 | 5 | 19:47 |
| Mari | | 1 | 03:47 |
| Maria Bello | | 2 | 08:54 |
| Maria Mena | | 1 | 02:45 |
| Maria Willson | | 1 | 03:26 |
| Mariah Carey | 6 | 33 | 2:26:10 |
| Mariah Carey & Boyz II Men | | 1 | 04:43 |
| Mariah Carey, , Ol' Dirty Bastard | | 1 | 04:53 |
| Mariah Carey, Trey Lorenz | | 1 | 04:24 |
| Marianne Faithfull | 2 | 9 | 41:49 |
| Marillion | 3 | 4 | 16:04 |
| Marilyn Manson | 2 | 18 | 1:16:43 |
| Mario | | 1 | 03:36 |
| Mario Piu | | 1 | 02:38 |
| Mario Piu AKA DJ Arabesque | | 1 | 03:15 |
| Mario Winans | 1 | 3 | 13:13 |
| Mark de-Clive Lowe | | 2 | 07:08 |
| Mark Hummel | 1 | 1 | 05:15 |
| Mark Isham | 2 | 3 | 13:54 |
| Mark James | | 1 | 05:44 |
| Mark Knopfler | 1 | 12 | 38:42 |
| Mark Morrison | 1 | 4 | 17:39 |
| Mark of Cain | 1 | 1 | 04:42 |
| Mark Seymour | | 1 | 04:08 |
| Mark Williams | | 1 | 02:59 |
| Marketts | 1 | 1 | 02:24 |
| Markus Enochson & Eman | | 1 | 03:59 |
| Marley Bob | 1 | 1 | 02:53 |
| Marmalade | 1 | 1 | 03:00 |
| Maroon 5 | 3 | 17 | 1:05:00 |
| Marrs | 1 | 1 | 03:57 |
| Mars Volta | | 1 | 07:31 |
| Marshall Hain | | 1 | 03:47 |
| Martha & The Muffins | | 1 | 03:32 |
| Martha Reeves & the Vandellas | 1 | 1 | 02:38 |
| Martha Wainwright | | 2 | 08:32 |
| Martha Wainwright, Kate & Anna McGarrigle | | 1 | 03:21 |
| Martika | | 1 | 04:59 |
| Martin Solveig | | 2 | 08:28 |
| Martin Winch | 1 | 13 | 55:49 |
| Marvin Gaye | 6 | 9 | 32:44 |
| Mary Hopkin | 1 | 1 | 04:57 |
| Mary J. Blige, George Michael | | 1 | 04:49 |
| Mary Lou Williams | | 1 | 05:07 |
| Mary Mary | | 1 | 03:14 |
| Marystaple | | 1 | 03:32 |
| Massive Attack | 2 | 16 | 1:31:54 |
| Matchbox Twenty | 3 | 14 | 51:53 |
| Matrix, Fierce, Rymetyme | 1 | 1 | 06:26 |
| Matt Bianco | | 1 | 04:54 |
| Matt Darey & Tall Paul feat. Alabama 3 | | 1 | 03:18 |
| Matt Wertz | 1 | 1 | 03:21 |
| Mattafix | 1 | 4 | 17:59 |
| Matumbi | | 1 | 06:35 |
| Maurice el edioni vs aleph beat | | 1 | 05:24 |
| Maurice Williams And The Zodiacs | | 1 | 01:38 |
| Mavis's | 1 | 1 | 04:08 |
| Max Graham vs Yes | | 1 | 02:39 |
| Max Q | 1 | 4 | 17:33 |
| Max-a-Million | | 2 | 07:28 |
| Maxi Priest | 1 | 12 | 53:07 |
| MaxMerritt&TheMeteors | | 1 | 05:29 |
| Maya Barsony | | 1 | 01:56 |
| Mazzy Star | 2 | 2 | 09:43 |
| Mc Hammer | | 1 | 04:16 |
| MC Hawking | 1 | 6 | 18:50 |
| McCoy Tyner | 1 | 1 | 06:15 |
| McCoys | 1 | 1 | 03:03 |
| McFadden And Whitehead | | 1 | 03:41 |
| McGrays | | 1 | 04:32 |
| McPhee, Tony | | 1 | 03:06 |
| Meat Beat Manifesto | | 1 | 06:21 |
| Meat Loaf | 5 | 35 | 3:37:37 |
| Megadeth | | 1 | 02:32 |
| Meiko Kaji | | 1 | 03:52 |
| Meja | 1 | 1 | 02:52 |
| Mel & Kim | 1 | 1 | 03:20 |
| Mel and Kim | | 1 | 04:11 |
| Mel B feat. Missy | 1 | 1 | 03:28 |
| Mel C | 1 | 1 | 04:54 |
| Mel Tillis | | 1 | 02:48 |
| Mel Tormé | 2 | 3 | 08:20 |
| Melanie | 1 | 2 | 06:44 |
| Melanie C | 1 | 2 | 09:28 |
| Melanie G (aka Scary Spice) | | 1 | 03:41 |
| Melbourne Symphony Orchestra | 1 | 7 | 57:45 |
| Melissa | | 1 | 03:43 |
| Melissa Etheridge | 2 | 14 | 1:09:55 |
| Melissa Troutz | | 1 | 03:58 |
| Men at Work | 2 | 4 | 15:18 |
| Men Without Hats | 1 | 3 | 10:08 |
| Mendelssohn | 1 | 1 | 05:07 |
| Mercedes Simone | | 1 | 03:33 |
| Mercury Rev | 1 | 2 | 11:17 |
| Meredith Brooks | 1 | 4 | 16:17 |
| Merril Bainbridge | | 1 | 03:34 |
| Merrilee Rush | 1 | 1 | 03:12 |
| Merry Clayton | | 1 | 03:19 |
| Metallica | 13 | 70 | 6:47:45 |
| MIAMI DJ COLLECTIVE | | 2 | 10:30 |
| Mica Paris | | 1 | 03:39 |
| Michael Bolton | 2 | 18 | 1:16:28 |
| Michael Brandmeier | 1 | 1 | 04:20 |
| Michael Franti and Spearhead | | 1 | 04:36 |
| Michael Hedges | 1 | 16 | 53:18 |
| Michael Jackson | 3 | 32 | 2:40:33 |
| Michael Jackson & Janet Jackson | 1 | 1 | 04:41 |
| Michael Jackson & Paul McCartney | 1 | 0 | 00:00 |
| michael jackson & paul mccartney - | | 1 | 03:54 |
| Michael Manring | | 2 | 12:17 |
| Michael McDonald, Michael McDonald | | 2 | 11:06 |
| Michael Penn | 1 | 2 | 07:53 |
| Michael Penn & Patrick Warren | | 1 | 09:58 |
| Michelle | | 3 | 13:14 |
| Michelle Branch | 1 | 1 | 03:37 |
| Michelle Shocked | 1 | 13 | 54:06 |
| Mick Jagger | 1 | 1 | 05:16 |
| Mickey & Sylvia | | 1 | 02:54 |
| Mickey Gilley | | 2 | 06:00 |
| Midge & Ultravox Ure | 1 | 1 | 04:45 |
| Midnight Oil | 7 | 41 | 3:17:15 |
| Mighty Diamonds | | 2 | 08:58 |
| Mighty Mighty Bosstones | 1 | 2 | 06:30 |
| Mighty Mighty Bosstones | | 1 | 03:17 |
| Miilkbone & Naji | | 1 | 03:43 |
| Mika | 1 | 13 | 54:17 |
| Mike & the Mechanics | 2 | 23 | 1:47:41 |
| Mike Bloomfield | 1 | 1 | 03:58 |
| Mike Marshall/Darol Anger | | 1 | 04:18 |
| Mike Monday | | 1 | 06:42 |
| Mike Oldfield | 2 | 19 | 2:04:28 |
| Miles Davis | 2 | 3 | 14:42 |
| MILES OF AILES | | 1 | 05:23 |
| Milestones | | 1 | 02:38 |
| Milk Inc | | 1 | 03:19 |
| Millencolin | 1 | 1 | 02:39 |
| Mills Brothers | 2 | 2 | 05:16 |
| Minerva | | 1 | 05:20 |
| Ministry | | 1 | 05:04 |
| Ministry Of Sound | 4 | 29 | 1:59:57 |
| Mink De Ville | | 2 | 06:45 |
| Minnie Driver, Minnie Driver | 1 | 1 | 03:52 |
| Minnie Riperton | | 1 | 03:19 |
| Miriam Makeba | 1 | 1 | 03:20 |
| Mirwais | 1 | 1 | 05:36 |
| Mi-Sex | 1 | 2 | 09:01 |
| MISFITS OF SCIENCE | | 1 | 03:46 |
| Mission | 2 | 5 | 23:39 |
| Mission UK | 3 | 12 | 55:18 |
| Mississippi John Hurt | 4 | 24 | 1:13:49 |
| Missy Elliot | 1 | 1 | 04:24 |
| Missy Elliot Feat Ludacris | | 1 | 03:31 |
| Missy Elliott | 1 | 3 | 11:17 |
| Missy Higgins | | 2 | 07:41 |
| Missy Misdemeanor Elliott | 2 | 1 | 03:41 |
| Mis-Teeq | | 2 | 07:13 |
| Mistinguett | | 1 | 03:18 |
| Mitch Ryder & The Detroit Wheels | 1 | 1 | 03:33 |
| MN8 | | 1 | 03:41 |
| Moby | 15 | 78 | 5:31:46 |
| Mockers | 1 | 2 | 07:24 |
| Mod Wheel | | 1 | 02:48 |
| Models | 1 | 1 | 03:36 |
| Modern Mandolin Quartet | | 1 | 01:58 |
| Modjo | 1 | 4 | 18:39 |
| Mohawks (1) | | 1 | 05:52 |
| Moloko | 1 | 3 | 13:36 |
| Monaco | | 1 | 03:52 |
| Mondo Rock | | 1 | 04:17 |
| Money Mark | 1 | 1 | 03:28 |
| Mongo Santamaria | 1 | 1 | 03:14 |
| Monica | | 1 | 04:01 |
| Monkees | 2 | 4 | 11:06 |
| Monsoon Featuring Sheila Chandra, Sheila Chandra | 1 | 1 | 05:59 |
| Monster Magnet | 1 | 2 | 08:37 |
| Montevideo | | 1 | 02:41 |
| Montgomery Gentry | | 1 | 03:13 |
| Montreux | | 1 | 02:53 |
| Monty Python | 1 | 1 | 03:36 |
| Moody Blues | 1 | 3 | 16:19 |
| Morcheeba | 3 | 14 | 57:32 |
| Morphanage | | 1 | 03:37 |
| Morrissey | 7 | 64 | 4:16:19 |
| Moses Wiggins | | 2 | 06:36 |
| Motels | | 1 | 03:33 |
| Motive 9 | 1 | 3 | 18:37 |
| Motley Crue | 1 | 1 | 04:50 |
| Mötley Crüe | 1 | 10 | 40:34 |
| Motor Ace | | 2 | 09:16 |
| Mouse T vs The Dandy Warhols | | 1 | 03:20 |
| Mousse T. Vs Hot N Juicy | 1 | 2 | 13:16 |
| Moustache feat. Melinda Jackson | | 1 | 03:21 |
| Move | | 1 | 09:30 |
| Movie Themes | 2 | 50 | 2:36:08 |
| Mozart | 1 | 1 | 05:23 |
| Mr President | | 1 | 03:40 |
| Mr Reds Vs Dj Scribble | | 1 | 04:54 |
| Ms. Dynamite | | 1 | 03:40 |
| Mud | 2 | 3 | 09:49 |
| Muddy Waters | | 1 | 02:51 |
| Mudvayne | | 1 | 03:38 |
| Muffs | | 1 | 03:18 |
| Mundy | 1 | 2 | 07:39 |
| Mungo Jerry | 1 | 3 | 09:51 |
| Muppets Inc, Wizard of Oz | 1 | 1 | 02:18 |
| Murray Head | 1 | 1 | 03:56 |
| Murray, Bobby | | 1 | 04:56 |
| Muse | | 3 | 10:41 |
| Mutiny Feat Lorraine Cato | | 1 | 05:42 |
| Mutton Birds | 2 | 6 | 28:39 |
| Muttonbirds | | 1 | 04:30 |
| My Baby Just Cares for Me | | 1 | 03:39 |
| My Favourite Things | | 1 | 02:48 |
| My Teenage Stride | 1 | 1 | 03:44 |
| Mya | | 1 | 03:57 |