| Madness | Present The Rise And Fall | 1982 | MC | |
| Madness | Divine Madness | 1992 | CD | |
| Magnum | Chase The Dragon | 1982 | CD | ≡ |
| Magnum | The Eleventh Hour | 1983 | CD | |
| Magnum | On A Storyteller's Night | 1985 | CD | ≡ |
| Maj Karma | Ukkonen | 2006 | CD | |
| Majuriband | Elämänmerenkulkija | 2023 | CD | |
| Malakian, Daron And Scars On Broadway | Dictator | 2018 | CD | |
| Malicorne | Légende | 1989 | CD | |
| Mana Mana | Complete...Kaikki | 1996 | CD | |
| Manic Street Preachers | Generation Terrorists | 1992 | CD | |
| Manic Street Preachers | Gold Against The Soul | 1993 | CD | |
| Manic Street Preachers | The Holy Bible | 1994 | CD | |
| Manic Street Preachers | Everything Must Go | 1996 | 2CD+DVD | ≡ |
| Manic Street Preachers | This Is my Truth Tell Me Yours | 1998 | CD | |
| Manic Street Preachers | Know Your Enemy | 2001 | CD | |
| Manic Street Preachers | Forever Delayed, The Greatest Hits | 2002 | DVD | |
| Manic Street Preachers | Lipstick Traces; A Secret History Of Manic Street Preachers | 2003 | 2CD | |
| Manic Street Preachers | Lifeblood | 2004 | CD | |
| Manic Street Preachers | Send Away The Tigers | 2007 | CD | |
| Manic Street Preachers | Journal For Plague Lovers | 2009 | CD | |
| Manic Street Preachers | Postcards From A Young Man | 2010 | CD | |
| Manic Street Preachers | Rewind The Film | 2013 | CD | |
| Manic Street Preachers | Futurology | 2014 | 2CD | ≡ |
| Manic Street Preachers | Resistance Is Futile | 2018 | CD | |
| Manic Street Preachers | The Ultra Vivid Lament | 2021 | CD | |
| Manic Street Preachers | Critical Thinking | 2025 | CD | |
| Mansell, Clint featuring Kronos Quartet | Requiem For A Dream, Original Soundtrack | 2000 | CD | |
| Marillion | Script For A Jester's Tear | 1983 | CD | |
| Marillion | Script For A Jester's Tear | 1983 | LP | |
| Marillion | Fugazi | 1984 | CD | |
| Marillion | Fugazi | 1984 | LP | |
| Marillion | Fugazi | 1984 | 3CD | ≡ |
| Marillion | Grendel / The Web | 1984 | VHS | ≡ |
| Marillion | Real To Reel | 1984 | MC | |
| Marillion | Misplaced Childhood | 1985 | CD | |
| Marillion | Misplaced Childhood | 1985 | LP | |
| Marillion | 1982-1986 The Videos | 1986 | VHS | |
| Marillion | Clutching At Straws | 1987 | 2CD | |
| Marillion | Live At Loreley | 1987 | VHS | |
| Marillion | B'Sides Themselves | 1988 | CD | |
| Marillion | The Thieving Magpie (La Gazza Ladra) | 1988 | MC | |
| Marillion | The Thieving Magpie (La Gazza Ladra) | 1988 | 2CD | |
| Marillion | Crash Course - An Introduction To Marillion | 2002 | CD | ≡ |
| Marillion | Early Stages - The Official Bootleg Box Set 1982-1987 | 2008 | 6CD | |
| Marino, Frank | Juggernaut | 1982 | MC | |
| Marino, Frank | The Power Of Rock And Roll / Juggernaut | 2012 | 2CD | |
| Martikainen, Jarkko | Mierolainen | 2004 | CD | ≡ |
| Martikainen, Jarkko | Rakkaus | 2006 | CD | |
| Martikainen, Jarkko | Hyvää yötä, hyvät ihmiset | 2007 | CD | |
| Martikainen, Jarkko | Toivo | 2009 | CD | ≡ |
| Martikainen, Jarkko | Usko | 2011 | CD+DVD | ≡ |
| Martikainen, Jarkko | Koirien taivas | 2014 | CD | |
| Martikainen, Jarkko | Itse tehty elämä | 2023 | CD | ≡ |
| Martikainen, Jarkko & Luotetut miehet | Ruosterastaat | 2016 | CD | |
| Martin, Moon | Escape From Domination | 1979 | LP | |
| Martin, Moon | Escape From Dominition | 1979 | MC | |
| Martin, Moon | The Very Best Of | 1999 | CD | |
| Martti Servo & Napander | Hittirähinä 1 | 2008 | 2CD | |
| Marx, Richard | Rush Street | 1991 | CD | |
| Matchbox | Midnite Dynamos | 1980 | CD | |
| Mattlar, Marja | Kirje täältä | 1993 | 7" | |
| Mattlar, Marja | Olipa kerran | 1994 | CDS | |
| Mattlar, Marja | Pariisi - Vuorenkylä | 1994 | CD | |
| Mattlar, Marja | Lumi | 1996 | CD | |
| Mattlar, Marja | Rakkauslaulu | 1996 | CDS | |
| Mattlar, Marja | Mitä teen tälle ikävälle | 1997 | CDS | |
| Mattlar, Marja | Belgiassa | 1998 | CD | ≡ |
| Mattlar, Marja | Vesi | 2000 | CD | |
| Mattlar, Marja | Lintu | 2002 | CDS | |
| Mattlar, Marja | Lintu - vuodet 1991-2001 | 2002 | CD | |
| Mattlar, Marja | Olisit tullut käymään silloin | 2003 | CDS | |
| Mattlar, Marja | Tuli | 2003 | CD | |
| Mattlar, Marja | Polku | 2007 | CD | |
| Mattlar, Marja | Vuorenkylässä | 2008 | CD | |
| Mattlar, Marja | Varhaisten parhaita | 2010 | CD | |
| Mattlar, Marja | Kuu | 2012 | CD | |
| Maukka Perusjätkä | Ennen kolmatta maailmansotaa | 1980 | MC | |
| MC Honky | I Am The Messiah | 2003 | CD | |
| McCafferty, Dan | Dan McCafferty | 1975 | CD | |
| McCafferty, Dan | Dan McCafferty / Into The Ring | 2002 | 2CD | ≡ |
| McCafferty, Dan | Last Testament | 2019 | CD | |
| McCoy, Andy | Too Much Ain't Enough | 1988 | MC | |
| McCoy, Andy | Aspects Of Andy McCoy | 1995 | 2CD | |
| McCoy, Andy | Building On Tradition | 1995 | CD | |
| McCoy, Andy | Real McCoy, Music From The Motion Picture | 1999 | CD | |
| McCoy, Andy | 21st Century Rocks | 2019 | CD | |
| McNabb, Ian | Truth And Beauty | 1993 | CD | |
| McNabb, Ian | Head Like A Rock | 1994 | CD | |
| McNabb, Ian | Merseybeast | 1996 | 2CD | ≡ |
| McNabb, Ian | Ian McNabb | 2001 | CD | ≡ |
| McNabb, Ian | Krugerrands | 2015 | CD | |
| Meat Loaf | Bat Out Of Hell | 1977 | CD | |
| Meat Loaf | Dead Ringer | 1981 | CD | |
| Meat Loaf | Midnight At The Lost And Found | 1983 | CD | |
| Meat Loaf | Bad Attitude | 1984 | CD | |
| Meat Loaf | Blind Before I Stop | 1986 | CD | |
| Meat Loaf | Bat Out Of Hell II: Back Into Hell | 1993 | CD | |
| Meat Loaf | Welcome To The Neighbourhood | 1995 | CD | |
| Meat Loaf | Couldn't Have Said It Better | 2003 | 2CD | ≡ |
| Meat Loaf | Bat Out Of Hell III: The Monster Is Loose | 2006 | CD+DVD | |
| Meat Loaf | Hang Cool Teddy Bear | 2010 | 2LP | |
| Meat Loaf | Hell In A Handbasket | 2012 | CD | |
| Meat Loaf | Braver Than We Are | 2016 | CD | ≡ |
| Mellencamp, John Cougar | Uh-huh | 1983 | MC | |
| Mellencamp, John Cougar | Scarecrow | 1985 | MC | |
| Mellencamp, John Cougar | The Lonesome Jubilee | 1987 | MC | |
| Mellencamp, John Cougar | Big Daddy | 1989 | MC | |
| Melrose | Melrose | 1986 | MC | |
| Melrose | First Albums | 1994 | CD | ≡ |
| Melrose | It's In The Bag | 2002 | CD | |
| Men At Work | Business As Usual | 1981 | MC | |
| Men At Work | Cargo | 1983 | MC | |
| Metallica | Ride The Lightning | 1984 | CD | |
| Metallica | Master Of Puppets | 1986 | CD | |
| Metallica | The $5.98 E.P. - Garage Days Re-revisited | 1987 | MC | |
| Metallica | ...And Justice For All | 1988 | CD | |
| Metallica | Cliff 'em All! | 1988 | VHS | ≡ |
| Metallica | Metallica | 1991 | CD | |
| Metallica | Load | 1996 | CD | |
| Metallica | ReLoad | 1997 | CD | |
| Metallica | Garage Inc. | 1998 | 2CD | |
| Metallica | S&M | 1999 | 2CD | |
| Metallica | St. Anger | 2003 | CD+DVD | |
| Metallica | Some Kind Of Monster | 2004 | 2DVD | |
| Metallica | Death Magnetic | 2008 | CD | |
| Metallica | Hardwired...To Self-Destruct | 2016 | 2CD | |
| Metallica | 72 Seasons | 2023 | CD | |
| Midnight Oil | Blue Sky Mining | 1990 | MC | |
| Moby | Play | 1999 | CD | |
| Modern Sounds, The | Hold It Fellas / Stomp Stomp | 2009 | 2CD | |
| Molly Hatchet | No Guts...No Glory | 1983 | MC | |
| Molly Hatchet | No Guts...No Glory | 1983 | CD | |
| Molly Hatchet | Lightning Strikes Twice | 1989 | MC | |
| Monkees, The | Then & Now...The Best Of | 1986 | MC | |
| Monkees, The | Definitive | 2001 | CD | |
| Monroe, Marilyn | My Heart Belongs To Daddy | – | CD | |
| Monroe, Michael | Nights Are So Long | 1987 | MC | |
| Monroe, Michael | Nights Are So Long | 1987 | CD | ≡ |
| Monroe, Michael | Not Fakin' It | 1989 | CD | |
| Monroe, Michael | Peace Of Mind | 1996 | CD | |
| Monroe, Michael | Another Night In the Sun / Live In Helsinki | 2010 | CD | |
| Monroe, Michael | Sensory Overdrive | 2011 | CD+DVD | ≡ |
| Monroe, Michael | Horns And Halos | 2013 | CD | ≡ |
| Monroe, Michael | Blackout States | 2015 | CD | |
| Monroe, Michael | I Live Too Fast To Die Young | 2022 | CD | |
| Monty Python | Sings | 1989 | CD | |
| Moogetmoogs | Kadonnut levy | 1992 | MC | |
| Moon | Yours Sincerely | 1991 | CD | |
| Moore, Gary | Corridors Of Power | 1982 | CD | ≡ |
| Moore, Gary | Victims Of The Future | 1983 | CD | ≡ |
| Moore, Gary | Run For Cover | 1985 | CD | ≡ |
| Motörhead | Bomber | 1979 | CD | ≡ |
| Motörhead | Overkill | 1979 | CD | ≡ |
| Motörhead | Ace Of Spades | 1980 | CD | |
| Motörhead | No Sleep 'Til Hammersmith | 1981 | 2CD | ≡ |
| Motörhead | Iron Fist | 1982 | MC | |
| Motörhead | Iron Fist | 1982 | CD | ≡ |
| Motörhead | Live In Toronto | 1982 | VHS | ≡ |
| Motörhead | Another Perfect Day | 1983 | CD | ≡ |
| Motörhead | No Remorse | 1984 | MC | |
| Motörhead | Orgasmatron | 1986 | MC | |
| Motörhead | Orgasmatron | 1986 | CD | ≡ |
| Motörhead | Rock 'N Roll | 1987 | CD | |
| Motörhead | Rock 'N Roll | 1987 | MC | |
| Motörhead | 1916 | 1991 | LP | |
| Motörhead | 1916 | 1991 | CD | |
| Motörhead | March Or Die | 1992 | CD | |
| Motörhead | Sacrifice | 1995 | CD | |
| Motörhead | Overnight Sensation | 1996 | CD | |
| Motörhead | Inferno | 2005 | CD+DVD | ≡ |
| Motörhead | Kiss Of Death | 2006 | CD | ≡ |
| Motörhead | The Wörld Is Yours | 2010 | CD | ≡ |
| Mr. Bungle | Mr. Bungle | 1991 | CD | |
| Mr. Bungle | California | 1999 | CD | |
| Muse | Showbiz | 1999 | CD | |
| Muse | Origin Of Symmetry | 2001 | CD | |
| Muse | Hullabaloo | 2002 | 2DVD | |
| Muse | Hullabaloo Soundtrack | 2002 | 2CD | |
| Muse | Absolution | 2003 | CD | |
| Muse | Black Holes And Revelations | 2006 | CD | ≡ |
| Muse | The Resistance | 2009 | CD | |
| Muse | The 2nd Law | 2012 | CD+DVD | |
| Muse | Drones | 2015 | CD | |
| Mustajärvi, Pate | Nyt! | 1984 | CD | |
| Mustajärvi, Pate | Lago Nero | 1988 | MC | |
| Mustasch | The True Sound Of The New West | 2001 | CDEP | |
| Mustasch | Above All | 2002 | CD | |
| Mustasch | Ratsafari | 2003 | CD | |
| Mustasch | Powerhouse | 2005 | CD | |
| Mustasch | Parasite! | 2006 | CDEP | ≡ |
| Mustasch | Latest Version Of The Truth | 2007 | CD | |
| Mustasch | Mustasch | 2009 | CD | |
| Mustasch | Sounds Like Hell, Looks Like Heaven | 2012 | CD | |
| Mustasch | Thank You For The Demon | 2014 | CD | |
| Mustasch | Testosterone | 2015 | CD | |
| Mustasch | Silent Killer | 2018 | CD | ≡ |
| Mustasch | Killing It For Life | 2019 | CD | |
| Mustasch | A Final Warning - Chapter One | 2021 | CDEP | |
| Mäki, J.A. | Aavaa | 2019 | LP | |
| Mötley Crüe | Theatre Of Pain | 1985 | LP | |
| Mötley Crüe | Dr. Feelgood | 1989 | LP | |
