| Machete, The | Lost For Words | 2004 | CDS | |
| Machete, The | Regression | 2005 | CD | |
| Machine Head | Burn My Eyes | 1994 | CD | |
| Machine Head | The Burning Red | 1999 | CD | |
| Machine Head | Supercharger | 2001 | CD | |
| Machine Head | Hellalive | 2003 | CD | |
| Machine Head | Through The Ashes Of Empires | 2003 | 2CD | |
| Machine Head | The Blackening | 2007 | CD+DVD | |
| Madball | N.Y.H.C. EP | 2004 | CDEP | |
| Madball | Legacy | 2005 | CD | |
| Madball | Infiltrate The System | 2007 | CD | |
| Madcraft | BreakOut | 2010 | CDEP | |
| Madcraft | Lovelock'd | 2011 | CDEP | |
| Made Out Of Babies | Trophy | 2005 | CD | |
| Made Out Of Babies | Coward | 2006 | CD | |
| Magic Numbers, The | Those The Brokes | 2006 | CD | |
| Magnus Pelander | Magnus Pelander | 2010 | CDEP | |
| Magyar Posse | Kings Of Time | 2004 | CD | |
| Maj Karma | Kaakao | 1998 | CD | |
| Maj Karma | Romanssi | 2001 | CDS | |
| Maj Karma | Arpi | 2003 | CDS | |
| Maj Karma | Metallisydän | 2003 | CD | |
| Maj Karma | Sodankylä | 2004 | CD | |
| Maj Karma | Rukous | 2006 | CDS | |
| Major Label | Hold Breath Between Lines | 2004 | CDEP | |
| Major Label | The Weightlifter | 2005 | CDEP | |
| Major Label | ...And The Machines Will Never Wake Us | 2007 | CD | |
| Major Label | My Time | 2007 | CDS | |
| Major Label | When I Am With You You Are Safe | 2009 | CD | |
| Malevolent Creation | Manifestation | 2000 | 2CD | |
| Malevolent Creation | The Best Of | 2003 | CD | |
| Man Is Mostly Water | Split with Exit The King | 2006 | 7" | |
| Manic Street Preachers | Found That Soul | 2001 | CDS | |
| Manogurgeil | Unirytmejä | 2006 | CD | |
| Manufacturer's Pride | Faustian Evangelion | 2007 | CD | |
| Marduk | Panzer Division Marduk (Promo) | 1999 | CD | |
| Mare | Mare (Japan Import) | 2004 | CDEP | |
| Mares Of Thrace | The Moulting | 2010 | CD | |
| Marilyn Manson | Smells Like Children | 1995 | CD | |
| Marilyn Manson | Antichrist Superstar | 1996 | CD | |
| Marilyn Manson | Mechanical Animals | 1998 | CD | |
| Marilyn Manson | Holy Wood (In The Shadow Of The Valley Of Death) | 2000 | CD | |
| Marilyn Manson | The Fight Song | 2000 | CDS | |
| Marilyn Manson | mOBSCENE | 2003 | CDS | |
| Marilyn Manson | The Golden Age Of Grotesque | 2003 | CD+DVD | |
| Marilyn Manson | Lest We Forget (The Best Of) | 2004 | CD | |
| Mars Volta, The | Tremulant | 2002 | CDEP | |
| Mars Volta, The | De-Loused In The Comatorium | 2003 | CD | |
| Mars Volta, The | Frances The Mute (Promo) | 2005 | CD | |
| Mars Volta, The | L'Via L'Viaquez | 2005 | CDS | |
| Mars Volta, The | L'Via L'Viaquez | 2005 | 10" | |
| Mars Volta, The | Scabdates | 2005 | CD | |
| Mars Volta, The | The Widow | 2005 | CDS | |
| Mars Volta, The | The Widow | 2005 | CDS | |
| Mars Volta, The | Amputechture | 2006 | CD | |
| Mars Volta, The | The Bedlam In Goliath | 2007 | CD | |
| Mastodon | Lifesblood | 2001 | CDEP | |
| Mastodon | Remission | 2002 | CD | |
| Mastodon | Remission | 2003 | CD+DVD | |
| Mastodon | Leviathan | 2004 | CD+DVD | |
| Mastodon | Blood Mountain | 2006 | CD | |
| Mastodon | The Wolf Is Loose (Promo) | 2006 | CDS | |
| Mastodon | Crack The Skye | 2009 | CD+DVD | |
| Mastodon | The Hunter | 2011 | CD+DVD | |
| Matar | Matar | 2007 | CDEP | |
| Matar | Bain De Sang | 2008 | MC | |
| Matti Järvinen | Matin Levy | 1976 | CD | |
| Matti Järvinen | Matin Levy | 1976 | 12" | ≡ |
| Maylene And The Sons Of Disaster | II | 2007 | CD | |
| Medeia | Quantum Holocaust World Domination | 2006 | CD | |
| Medeia | Cult | 2008 | CD | |
| Medeia | Medeia | 2008 | CDEP | |
| Medeia | Unholy Communion (Promo) | 2008 | CDS | |
| Medicated | Medicated | 2006 | CDEP | |
| Medicated | Magnum For Amen | 2008 | CDEP | |
| Medicated | Ways To Make You Fall | 2010 | CDEP | |
| Melt-Banana | Bambi's Dilemma | 2007 | CD | |
| Meltdown | Demolition | 2006 | CDEP | |
| Melvins | Houdini | 1993 | CD | |
| Melvins, The | We Reach - The Music Of The Melvins (Tribute) | 2005 | CD | |
| Mentarylight | Mentarylight | 2003 | CDEP | |
| Mercenary | 11 Dreams | 2004 | CD | |
| Meshuggah | Destroy Erase Improve | 1995 | CD | |
| Meshuggah | Chaosphere | 1998 | CD | |
| Meshuggah | Nothing | 2002 | CD | |
| Meshuggah | I | 2004 | CDEP | |
| Meshuggah | Catch Thirtythr33 | 2005 | CD | |
| Metal | A Headbanger's Companion | 2007 | 6CD | |
| Metallica | St. Anger | 2003 | CD+DVD | |
| Mew | Frengers | 2003 | CD | |
| Mew | And The Glass Handed Kites | 2005 | CD | |
| Mew | No More Stories... | 2009 | CD | ≡ |
| MGMT | Oracular Spectacular | 2008 | CD | |
| Micko Hell And The Motherfuckers | Promo 2005 | 2005 | CDEP | |
| Mike Patton | Mondo Cane | 2010 | CD | |
| Miles Davis | Milestones - The Best Of Miles Davis | 1947 | CD | |
| Miles Davis | Denial | 1952 | CD | |
| Million Dollar Beggars | Gone With The Flow | 2006 | CDS | |
| Ministry | Psalm 69 | 1992 | CD | |
| Minus The Bear | This Is What I Know About Being Gigantic | 2001 | CDEP | |
| Minus The Bear | Highly Refined Pirates | 2002 | CD | |
| Minus The Bear | Planet Of Ice | 2007 | 2CD | |
| Minus The Bear | Acoustics | 2008 | 12" | |
| Mire, The | Volume: I | 2009 | CDS | |
| Mirror Of Madness | Appelsiinijaffaa | 2006 | CDS | |
| Misery Index | Hang Em High | 2007 | 7" | |
| Mission: Impossible 2 | Soundtrack | 2000 | CD | |
| Modest Mouse | No One's First, And You're Next | 2009 | CD | |
| Mogwai | Ten Rapid | 1997 | CD | |
| Mokoma | Kasvan | 1999 | CDS | |
| Mokoma | Valu | 1999 | CD | |
| Mokoma | Mokoman 120 Päivää | 2001 | CD | |
| Mokoma | Kurimus | 2003 | CD | |
| Mokoma | Kurimus | 2003 | 12" | |
| Mokoma | Punainen Kukko | 2003 | CDEP | |
| Mokoma | Tämän Maailman Ruhtinaan Hovi | 2004 | CD | |
| Mokoma | Tämän Maailman Ruhtinaan Hovi | 2004 | 12" | |
| Mokoma | Kuoleman Laulukunnaat | 2006 | 12" | |
| Mokoma | Viides Vuodenaika | 2006 | CDEP | |
| Mokoma | Luihin Ja Ytimiin | 2007 | CD | |
| Molotov | Apocalypshit | 1999 | CD | |
| Monitors Alive | Monitors Alive | 2007 | CDEP | |
| Mono | One Step More And You Die | 2002 | CD | |
| Morg | Enter The Morgue | 2004 | CDEP | |
| Morg | Return To The Soil | 2005 | CDEP | |
| Morg | Buried | 2006 | CDEP | |
| Morg | Monolith | 2007 | CDEP | |
| Morg | Doomsday Split (with Treachery and No) | 2008 | CDEP | |
| Mr. Bungle | Mr. Bungle | 1991 | CD | |
| Mr. Bungle | Disco Volante | 1995 | CD | |
| Mudhoney | Since We've Become Translucent | 2002 | CD | |
| Mudhoney | Under A Billion Suns | 2006 | CD | |
| Mudvayne | L.D. 50 | 2000 | CD | |
| Mudvayne | The Beginning Of All Things To End | 2001 | CD | |
| Mudvayne | The End Of All Things To Come | 2002 | CD+DVD | |
| Mudvayne | Lost And Found | 2005 | CD+DVD | |
| Múm | Go Go Smear The Poison Ivy | 2007 | CD | |
| Murderdolls | Beyond The Valley Of The Murderdolls | 2002 | CD+DVD | |
| Murdershock | Inside My Insanity | 2007 | CDEP | |
| Murdershock | Aborted Evolution | 2008 | CDEP | |
| Muse | Showbiz | 1999 | CD | |
| Muse | Origin Of Symmetry | 2001 | CD | |
| Muse | Hullabaloo Soundtrack | 2002 | 2CD | |
| Muse | Absolution | 2003 | CD | |
| Muse | Butterflies And Hurricanes | 2003 | DVD | |
| Muse | Black Holes And Revelations | 2006 | CD+DVD | |
| Muse | HAARP | 2008 | CD+DVD | |
| Mushroomhead | Xx | 2001 | CD | |
| My Chemical Romance | The Black Parade | 2006 | CD | |
| My Chemical Romance | The Black Parade Is Dead! | 2008 | CD+DVD | |
| My Revenge! | Less Plot, More Blood | 2004 | CD | |
| My Ruin | Speak & Destroy | 2000 | CD | |
| My Ruin | To Britain With Love... And Bruises | 2000 | CD | |
| Mylene Sheath, The | Sampler 2010 | 2010 | CD | |
