| M.I.A. | Kala | 2007 | CD | |
| M.O.R.A. | M.O.R.A. | 2011 | CD | |
| Maarit | Maarit | 1973 | CD | |
| Macabre | Gloom | 1989 | LP | |
| Machine Gun Macbeth | Wintertime / Heartbreak Hotel | 1989 | 7" | |
| Machine Head | The Burning Red | 1999 | CD | |
| Mad Season | Above | 1995 | CD | |
| Mad Sin | God Save The Sin | 1996 | CD | |
| Madness | One Step Beyond... | 1979 | LP | |
| Madness | Absolutely | 1980 | LP | |
| Madonna | True Blue | 1986 | LP | |
| Magenta Skycode | IIIII | 2006 | CD | |
| Magma | Mëkanïk Dëstruktïẁ Kömmandöh | 1973 | LP | |
| Magyar Posse | Kings Of Time | 2004 | CD | |
| Magyar Posse | Random Avenger | 2006 | CD | |
| Mahavishnu Orchestra | The Inner Mounting Flame | 1971 | LP | |
| Mahavishnu Orchestra | Birds Of Fire | 1973 | LP | |
| Maitre Chien | Chien | 2008 | CD | |
| Maj Karman Kauniit Kuvat | Iskelmä | 1997 | CD | |
| Maj Karman Kauniit Kuvat | Kaakao | 1998 | CD | |
| Maj Karman Kauniit Kuvat | Ääri | 2000 | CD | |
| Maj Karman Kauniit Kuvat | Rautaneito | 2001 | CD | |
| Maj Karman Kauniit Kuvat | Musta Paraati | 2004 | CD | |
| Make-Up, The | In Mass Mind | 1998 | LP | |
| Malice | License To Kill | 1987 | LP | |
| Malmsteen Yngwie | Rising Force | 1984 | CD | |
| Malmsteen Yngwie | Odyssey | 1988 | LP | |
| Mamas & The Papas, The | Hits Of Gold | 1969 | LP | |
| Mamas & The Papas, The | Classic/The Universal Masters Collection | 1999 | CD | |
| Mamba | Mitä Yhdestä Särkyneestä Sydämestä | 1995 | MC | |
| Mana Mana | Totuus Palaa | 1990 | LP | |
| Mana Mana | Complete... Kaikki | 1996 | CD | |
| Mana Mana | Murheen Laakso | 2000 | LP | |
| Maniac Miracles | New Direction | 1996 | 7" | |
| Manic Street Preachers | The Holy Bible | 1994 | CD | |
| Manic Street Preachers | Everything Must Go | 1996 | CD | |
| Manilla Road | Crystal Logic | 1983 | LP | |
| Mannhai | Spiritraiser | 2003 | 7" | |
| Manowar | Battle Hymns | 1982 | CD | |
| Manowar | All Men Play On 10 | 1984 | 12" | |
| Manowar | Sign Of The Hammer | 1984 | CD | |
| Manowar | Sign Of The Hammer | 1984 | LP | |
| Manowar | Fighting The World | 1987 | CD | |
| Manowar | Fighting The World | 1987 | LP | |
| Manowar | Kings Of Metal | 1988 | CD | |
| Manowar | Kings Of Metal | 1988 | LP | |
| Manowar | The Triumph Of Steel | 1992 | CD | |
| Marduk | Those Of The Unlight | 1993 | LP | |
| Marduk | Panzer Division Marduk | 1999 | CD | |
| Marilyn Manson | Antichrist Superstar | 1996 | CD | |
| Marion | El Bimbo | 1975 | CD | |
| Marley Bob | Legend | 1984 | LP | |
| Marley Bob | Sun Is Shining | 2000 | CD | |
| Mars Volta, The | Tremulant | 2002 | CD | |
| Mars Volta, The | De-Loused In The Comatorium | 2003 | CD | |
| Mars Volta, The | Frances The Mute | 2005 | CD | |
| Mars Volta, The | Amputechture | 2006 | CD | |
| Mars Volta, The | The Bedlam In Goliath | 2008 | CD | |
| Mars Volta, The | Noctourniquet | 2012 | CD | |
| Martika | Toy Soldiers | 1989 | 7" | |
| Martin, Steve | A Wild And Crazy Guy | 1978 | LP | |
| Massive Attack | Blue Lines | 1991 | CD | |
| Massive Attack | Mezzanine | 1998 | CD | |
| Massive Attack | 100th Window | 2003 | CD | |
| Master | Master | 1990 | LP | |
| Masters Of Reality | Give Us Barabbas | 2004 | CD | |
| Masterwork | Bad Power | 1990 | 7" | |
| Mastodon | Remission | 2002 | CD | |
| Mastodon | Blood Mountain | 2006 | CD | |
| Matalat Majat | Laumasielunvaellus | 2012 | MC | |
| Matti & Teppo | Matti & Teppo '87 | 1987 | LP | |
| Mattila, Karita | Wonderful | 1995 | MC | |
| Maukka Perusjätkä | Koiranpennut | 1981 | LP | |
| Maukka Perusjätkä & Sota Apatiaa Vastaan | Säpinää | 1979 | LP | |
| Maustetytöt | Jos Mulla Ei Ois Sua, Mulla Ei Ois Mitään | 2019 | 7" | |
| Maustetytöt | Kaikki Tiet Vievät Peltolaan | 2019 | LP | |
| Mayall John And The Bluesbreakers | The Best Of John Mayall And The Bluesbreakers - As It All Began | 1997 | CD | |
| Mayfield Curtis | Superfly | 1972 | LP | |
| Mayhem | Deathcrush | 1987 | CD | |
| Mayhem | De Mysteriis Dom Sathanas | 1994 | CD | |
| Mazzy Star | So Tonight That I Might See | 1993 | CD | |
| MC Nikke T. | Jos Haluu Saada... Vol. 1 | 1990 | LP | |
| MC Solaar | Prose Combat | 1994 | CD | |
| MC Taakibörsta | PA 2001 | 2001 | CD | |
| MC Vittumeitsi | Numero Yks | 2004 | CD | |
| MC5 | Kick Out The Jams | 1969 | LP | |
| McCartney Paul | McCartney II | 1980 | LP | |
| McLaren Malcolm | Duck Rock | 1983 | LP | |
| McLaughlin John, Al Di Meola, Paco De Lucia | Passion, Grace & Fire | 1983 | LP | |
| MDC | Millions Of Dead Cops / More Dead Cops | 1988 | CD | |
| Meat Loaf | Dead Ringer | 1981 | LP | |
| Meat Puppets | Meat Puppets II | 1984 | LP | |
| Meat Puppets | Up On The Sun | 1985 | CD | |
| Meat Puppets | Monsters | 1989 | LP | |
| Meat Puppets | No Joke! | 1995 | CD | |
| Meat Puppets | Golden Lies | 2000 | CD | |
| Meef | Meef | 2018 | MC | |
| Meef | 94 | 2023 | LP | |
| Megadeth | Peace Sells...But Who's Buying? | 1986 | CD | |
| Megadeth | Peace Sells...But Who's Buying? | 1986 | LP | |
| Megadeth | So Far, So Good... So What! | 1988 | CD | |
| Megadeth | Rust In Peace | 1990 | CD | |
| Megadeth | Rust In Peace | 1990 | LP | |
| Megadeth | Countdown To Extinction | 1992 | LP | |
| Megadeth | Youthanasia | 1994 | CD | |
| Megadeth | Cryptic Writings | 1997 | CD | |
| Melechesh | Sphynx | 2003 | LP | |
| Meliah Rage | Solitary Solitude | 1990 | LP | |
| Melt-Banana | Speak Squeak Creak | 1994 | LP | |
| Melt-Banana | Charlie | 1998 | LP | |
| Melt-Banana | Cell-Scape | 2003 | CD | |
| Melvins | Bullhead | 1991 | LP | |
| Melvins | Houdini | 1993 | CD | |
| Melvins | Stoner Witch | 1994 | CD | |
| Memmy Posse | Aina Vanteilla | 2002 | CD | |
| Memmy Posse | Huolestuttavia Merkkejä | 2004 | CD | |
| Mentors | You Axed For It! | 1985 | LP | |
| Mercury Rev | Deserter's Songs | 1998 | CD | |
| Mercyful Fate | Mercyful Fate | 1982 | 12" | |
| Mercyful Fate | Melissa | 1983 | LP | |
| Mercyful Fate | Don't Break The Oath | 1984 | CD | |
| Merries | Summer Love / Pirates | 2011 | 7" | |
| Merries | Merries | 2014 | 12" | |
| Merzbow Vs Nordvagr | Partikel II | 2007 | CD | |
| Meshuggah | Contradictions Collapse | 1991 | CD | |
| Meshuggah | Destroy Erase Improve | 1995 | CD | |
| Meshuggah | Chaosphere | 1998 | CD | |
| Mesmer | Subutex Willer / Breeding Tree | 2006 | 7" | |
| Metal Church | The Dark | 1986 | LP | |
| Metal Church | Blessing In Disguise | 1989 | LP | |
| Metal Church | The Human Factor | 1991 | LP | |
| Metallica | Kill 'Em All | 1983 | CD | |
| Metallica | Kill 'Em All | 1983 | MC | |
| Metallica | Ride The Lightning | 1984 | LP | |
| Metallica | Ride The Lightning | 1984 | CD | |
| Metallica | Master Of Puppets | 1986 | LP | |
| Metallica | Master Of Puppets | 1986 | CD | |
| Metallica | The $5.98 E.P. - Garage Days Re-Revisited | 1987 | 12" | |
| Metallica | ...And Justice For All | 1988 | 2LP | |
| Metallica | ...And Justice For All | 1988 | CD | |
| Metallica | Enter Sandman | 1991 | 12" | |
| Metallica | Metallica | 1991 | 2LP | |
| Metallica | Metallica | 1991 | CD | |
| Metallica | Load | 1996 | CD | |
| Metallica | Garage Inc. | 1998 | CD | |
| Metallica | S&M | 1999 | CD | |
| Metalucifer | Heavy Metal Chainsaw | 2001 | CD | |
| Metsänpeitto | Metsänpeitto | 2017 | MC | |
| Metsäväiset | Eräänä Päivänä Elävänä Studiossa Esittelylevy Mielessä | 2007 | CD | |
| Metsäväiset | Hatarat Mielikuvat | 2011 | CD | |
| Metz | Metz | 2012 | LP | |
| Mew | Frengers | 2003 | CD | |
| Mew | And The Glass Handed Kites | 2005 | CD | |
| Miami Sound Machine | Dr. Beat | 1984 | 12" | |
| Michael Schenker Group, The | The Michael Schenker Group | 1980 | LP | |
| Midas | Ehkäisy Rap (Venyy Mut Ei Pauku) | 1990 | 7" | |
| Middle Of The Road | Chirpy Chirpy Cheep Cheep | 1971 | LP | |
| Midlake | The Trials Of Van Occupanther | 2006 | CD | |
| Midnight | Satanic Royalty | 2011 | LP | |
| Midnight Oil | Diesel And Dust | 1987 | LP | |
| Mieskuoro Huutajat | H.Y.V.Ä | 1994 | CD | |
| Mikidi & Gaiaf | Uhka Naapurissa | 2014 | 2LP | |
| Milestones, The | Queen To Me | 2009 | CD | |
| Milk | Rash | 1991 | LP | |
| Mind Funk | Mind Funk | 1991 | LP | |
| Mingus Charles | The Black Saint And The Sinner Lady | 1963 | LP | |
| Mingus Charles | Milestones Of A Legend | 2017 | CD | |
| Mingus, Charles Featuring Eric Dolphy | Town Hall Concert | 1971 | LP | |
| Ministry | The Land Of Rape And Honey | 1988 | CD | |
| Ministry | The Mind Is A Terrible Thing To Taste | 1989 | CD | |
| Ministry | Psalm 69: The Way To Succeed And The Way To Suck Eggs | 1992 | CD | |
| Ministry | Filth Pig | 1996 | CD | |
| Ministry | Dark Side Of The Spoon | 1999 | CD | |
| Ministry | Animositisomina | 2003 | CD | |
| Mink DeVille | Sportin' Life | 1985 | LP | |
| Minor Threat | Minor Threat | 1984 | LP | |
| Minutemen | 3-Way Tie (For Last) | 1985 | CD | |
| Misfits | Collection II | 1995 | CD | |
| Missing Persons | Missing Persons | 1982 | 12" | |
| Mission Of Burma | Signals, Calls, And Marches | 1981 | CD | |
| Mitchell Joni | Blue | 1971 | CD | |
| Mjölk | Eine Kleine Mjölkmjuusik | 1990 | 7" | |
| Mob 47 | Kärnvapen Attack | 1984 | 7" | |
| Mobb Deep | The Infamous | 1995 | CD | |
| Moderni Elämä | Pikkuveli / Yleiset Syyt | 2012 | 7" | |
| Moderni Elämä | Susta Huolissani / Keravalla | 2013 | 7" | |
| Mogwai | Mogwai Young Team | 1997 | CD | |
| Mojakka | Lärvit Screenillä | 2007 | 7" | |
| Molasses | Cwtch EP | 2016 | MC | |
| Molly Hatchet | Take No Prisoners | 1981 | LP | |
| Monster Magnet | Spine Of God | 1992 | CD | |
| Monster Magnet | Dopes To Infinity | 1995 | CD | |
| Moody Blues | This Is The Moody Blues | 1974 | 2LP | |
| Moon Fog Prophet | I Crackle As I Grow | 1997 | 7" | |
| Moondog | The Viking Of Sixth Avenue | 2004 | 2LP | |
| Moonsorrow | Voimasta Ja kunniasta | 2001 | CD | |
| Moonsorrow | Kivenkantaja | 2003 | CD | |
| Moonspell | Wolfheart | 1995 | CD | |
| Moonspell | Sin/Pecado | 1998 | CD | |
| Moore Gary | Rockin' Every Night - Live In Japan | 1983 | LP | |
| Moore Gary | Victims Of The Future | 1983 | LP | |
| Moore Gary | After The War | 1989 | LP | |
| Moore Gary | Ballads & Blues 1982-1994 | 1994 | CD | |
| Moore Gary | Have Some Moore (The Best Of) | 2002 | CD | |
| Moore Thurston | Trees Outside The Academy | 2007 | CD | |
| Moore Vinnie | Time Odyssey | 1988 | LP | |
| Moore, Gary | Blues For Greeny | 1995 | MC | |
| Morbid Angel | Altars Of Madness | 1989 | LP | |
| Morbid Angel | Blessed Are The Sick | 1991 | CD | |
| Morbid Angel | Blessed Are The Sick | 1991 | LP | |
| Morbid Angel | Covenant | 1993 | CD | |
| Morbid Angel | Heretic | 2003 | LP | |
| Mordred | Fool's Game | 1989 | LP | |
| Morissette, Alanis | Jagged Little Pill | 1995 | CD | |
| Moroder Giorgio Featuring Paul Engemann | Reach Out | 1984 | 7" | |
| Morphine | Good | 1992 | CD | |
| Morphine | Cure For Pain | 1993 | CD | |
| Morrissey | Viva Hate | 1988 | LP | |
| Morrissey | You Are The Quarry | 2004 | CD | |
| Morrissey | Ringleader Of The Tormentors | 2006 | CD | |
| Mortal Sin | Face Of Despair | 1989 | LP | |
| Motelli Skronkle | Collection | 2000 | CD | |
| Mother Goose | Too Many Tintins | 1993 | CD | |
| Mother Goose | Obvious Works | 2005 | CD | |
| Mother Love Bone | Mother Love Bone | 1992 | CD | |
| Motörhead | Overkill | 1979 | CD | |
| Motörhead | Iron Fist | 1982 | LP | |
| Motörhead | Rock'N' Roll | 1987 | LP | |
| Motörhead | March Ör Die | 1992 | LP | |
| Motörhead | We Are Motörhead | 2000 | CD | |
| Mountain | Live (The Road Goes Ever On) | 1972 | LP | |
| Mozart, W.A. | Pieni Yösoitto | 1985 | MC | |
| Mr. Big | Lean Into It | 1991 | CD | |
| Mr. Bungle | Mr. Bungle | 1991 | CD | |
| Mr. Bungle | California | 1999 | CD | |
| Mr. Peter Hayden | This Was Mr. Peter Hayden | 2011 | MC | |
| Mrs. Miller | Mrs. Miller's Greatest Hits | 1966 | LP | |
| Mudhoney | Superfuzz Bigmuff | 1988 | CD | |
| Mudhoney | Mudhoney | 1989 | LP | |
| Mudhoney | Every Good Boy Deserves Fudge | 1991 | LP | |
| Mudhoney | My Brother The Cow | 1995 | CD | |
| Mudhoney | Under A Billion Suns | 2006 | CD | |
| Mungo Jerry | The Best Of Mungo Jerry | 1991 | MC | |
| Municipal Waste | Waste 'Em All | 2003 | CD | |
| Municipal Waste | Hazardous Mutation | 2005 | LP | |
| MurhaMurhaItsemurha | Vain Natsit Kieltää Jatsin | 2002 | 7" | |
| Murmansk | Teeth | 2006 | CD | |
| Muse | Showbiz | 1999 | CD | |
| Muse | Origin Of Symmetry | 2001 | CD | |
| Muse | Absolution | 2003 | CD | |
| Muska | Krokotiilirock | 1997 | MC | |
| Musta Paraati | Peilitalossa | 1983 | LP | |
| Mustan Kuun Lapset | Viimeinen Laulu Kuolemasta | 2007 | CD | |
| Mustat Kalsarit | Musta Kasetti | 2012 | MC | |
| Mustat Kalsarit | Mustat Kalsarit | 2014 | 7" | |
| My Bloody Valentine | Geek! | 1985 | 12" | |
| My Bloody Valentine | Isn't Anything | 1988 | CD | |
| My Bloody Valentine | Loveless | 1991 | CD | |
| My Bloody Valentine | M B V | 2013 | LP | |
| My Dying Bride | The Angel And The Dark River | 1995 | CD | |
| My Dying Bride | Like Gods Of The Sun | 1996 | CD | |
| My Dying Bride | The Dreadful Hours | 2001 | CD | |
| Mymmelins, The | Moxie Bravado | 2019 | LP | |
| Myron & E And The Soul Investigators | On Broadway | 2010 | 7" | |
| Mystifier | The World Is So Good That Who Made It Doesn't Live Here | 1996 | LP | |
| Mötley Crüe | Shout At The Devil | 1983 | LP | |
| Mötley Crüe | Greatest Hits | 1998 | CD | |
| Møb, The | Let The Tribe Increase | 1983 | LP | |
