| Maarit | Collections | 2009 | CD | |
| Madonna | Causing A Commotion | 1987 | 12" | |
| Madonna | Who's That Girl (Extended Version) | 1987 | 12" | |
| Magic Organ | Music Box Dancer | 1979 | LP | |
| Maijanen Pave | Maijanen | 1984 | LP | |
| Maijanen Pave | Palava Sydän | 1985 | LP | |
| Mali Mika ja Turkka | Runkomäen Iltamat | 1978 | MC | |
| Malmsteen Yngwie | Trilogy | 1986 | LP | |
| Malmsteen Yngwie | Trial by fire - Live in Leningrad | 1989 | LP | |
| Malmsteen Yngwie | Fire & Ice | 1992 | LP | |
| Manowar | Sign Of The Hammer | 1984 | MC | |
| Manowar | Fighting the world | 1987 | CD | |
| Mantshuria | Memories from the Sixtie´s | 2007 | CD | |
| Mara Balls | Ratina Stadion Live '18 | 2018 | MC | |
| Marcato Umberto | Maruzzella | 1957 | 7" | ≡ |
| Markola Juhani | Mr. Lonely - Yksin | 1977 | LP | |
| Markola Juhani | 20 Suosikkia - Rakkauden aamu | 1996 | CD | |
| Markus Allan | Poika Varjoisalta Kujalta | 1974 | MC | |
| Markus Allan | Niin Herkässä On Kyyneleet | 1975 | LP | |
| Markus Allan | Niin Herkässä On Kyyneleet | 1975 | MC | |
| Markus Allan | Muistoja Ja Unelmia | 1976 | MC | |
| Markus Allan | 20 suosikkia - Sokeripala | 1999 | CD | |
| Markus Törmälä & FBI-beat + The Legends | Rautalankajoulu | 2007 | CD | |
| Marley Bob Bob And The Wailers | Legend - The Best Of Bob Marley And The Wailers | 1984 | MC | |
| Marstio Harri | Rakkauden Jälkeen - Harri Marstion Parhaat | 1998 | CD | |
| Massacre / Kansallinen Sekaannus | 20?? Minne Jäi Tuho | 2008 | 7" | |
| Matti & Teppo | Et Voi Tulla Rajan Taa | 1981 | LP | |
| Matti & Teppo | Et Voi Tulla Rajan Taa | 1981 | MC | |
| Matti & Teppo | Pidä Itsestäsi Huolta | 1982 | MC | |
| Matti & Teppo | Minuun Voit Luottaa | 1983 | LP | |
| Matti & Teppo | Minuun Voit Luottaa | 1983 | MC | |
| Matti & Teppo | Kuulut Aikaan Parhaimpaan | 1984 | MC | |
| Matti & Teppo | Matti & Teppo | 1986 | MC | |
| Matti & Teppo | Parhaat | 1987 | CD | |
| Matti & Teppo | Taivaan Merkit | 1991 | MC | |
| Matti & Teppo | Jää Mun Luo | 1992 | MC | |
| Matti & Teppo | Toivon Ja Hiljaisuuden Lauluja | 1995 | MC | |
| Matti & Teppo | Joulun Aika | 2004 | CD | |
| Matti & Teppo ja Matti Esko | Matti & Teppo ja Matti Esko | 1986 | MC | |
| Maukka & Ile's Disko | Asiat Kuntoon! | 1982 | MC | |
| McAuley Schenker Group | Save Yourself | 1989 | MC | |
| McAuley Schenker Group | MSG | 1992 | CD | |
| McAuley Schenker Group | Unplugged "Live" | 1993 | CD | |
| McCartney Paul | Give My Regards To Broad Street | 1984 | MC | |
| Megadeth | Killing is my business... | 1985 | LP | |
| Megadeth | Rust In Peace | 1990 | MC | |
| Megadeth | Countdown To Extinction | 1992 | MC | |
| Megadeth | Youthanasia | 1994 | CD | |
| Megadeth | Peace sells...but who´s buying? | 2004 | CD | |
| Megadeth | The system has failed | 2004 | CD | |
| Megadeth | Greatest Hits: Back To The Start | 2005 | CD+DVD | |
| Megadeth | United Abominations | 2007 | CD | |
| Megadeth | Endgame | 2009 | CD | |
| Mellencamp John | Human Wheels | 1993 | MC | |
| Men at work | Business as usual | 1981 | LP | |
| Metallica | Master of puppets | 1986 | LP | |
| Metallica | The $5.98 E.P. - Garage Days Re-Revisited | 1987 | MC | |
| Metallica | ...And Justice For All | 1988 | MC | |
| Metallica | ...And Justice For All | 1988 | CD | |
| Metallica | Kill ´Em All | 1989 | CD | ≡ |
| Metallica | Metallica | 1991 | CD | ≡ |
| Metallica | Metallica | 1991 | MC | |
| Metallica | Reload | 1997 | CD | |
| Metallica | St. anger | 2003 | CD+DVD | ≡ |
| Metallica | Death Magnetic | 2008 | CD | ≡ |
| Metallica | Hardwired...To Self-Destruct | 2016 | 2CD | ≡ |
| Michael Schenker Group | Rock Will Never Die | 1984 | LP | ≡ |
| Miljoonasade | Laukauksia Viulukotelossa | 1988 | MC | |
| Miljoonasade | Veitsen Valossa | 1989 | MC | |
| Miljoonasade | Pullo Hunajaa | 1992 | MC | |
| Miljoonasade | 20 Suosikkia - Marraskuu | 1995 | CD | |
| Minna | Kosketan | 2008 | CDEP | |
| Mistakes | Pave's Mistakes / Pidä Huolta | 1990 | MC | |
| Mixed-Up Kids | She Kissed Me / Not The Best Time | 1989 | 7" | |
| Mixed-Up Kids | Bye-Bye / Ride On | 1991 | 7" | |
| Modern Talking | The Modern Talking Story | 1987 | MC | |
| Molly Hatchet | Flirtin' With Disaster | 1979 | LP | |
| Mona Carita | 20 Suosikkia - Rasputin | 1997 | CD | |
| Moore Gary | We Want Moore! | 1984 | CD | |
| Moore Gary | We Want Moore! | 1984 | LP | |
| Moore Gary | Run For Cover | 1985 | MC | |
| Moore Gary | Run For Cover | 1985 | LP | |
| Moore Gary | Still Got The Blues | 1990 | MC | |
| Moore Gary | Ballads & Blues 1982 - 1994 | 1994 | CD | |
| Moore Gary | Have some Moore The best of | 2002 | 2CD | |
| Morricone Ennio | Once upon a time the greatest hits | 1990 | LP | |
| Motörhead | Motörhead | 1977 | LP | |
| Motörhead | Orgasmatron | 1986 | MC | |
| Motörhead | No sleep at all | 1988 | LP | |
| Motörhead | 1916 | 1991 | CD | |
| Motörhead | The Best of - All the aces/The Muggers tapes | 1993 | 2CD | |
| Motörhead | Recorded Live | 2009 | CD | |
| Mozart Wolfgang Amadeus, Tast Werner | Flötenkonzerte | 1990 | LP | |
| Mozart/Brahms | Kuhmon Kamarimusiikki / Kuhmo Chamber Music Festival 1990 | 1990 | LP | |
| Mr. Mister | Welcome To The Real World | 1985 | LP | |
| Muska | 20 Suosikkia - Krokotiilirock | 1997 | CD | |
| Musta Albiino | 9/97 | 1997 | CDEP | |
| Musta Albiino | 9/97 | 1997 | MC | ≡ |
| Mustajärvi Pate | Lago Nero | 1988 | CD | |
| Mustajärvi Pate | Miehen tie Paten Soolohitit 1983-2006 | 2006 | 2CD | |
| Mustangs | Showcase | 1999 | CD | |
| Mustangs | In Amsterdam | 2001 | CD | |
| Mustangs | Rock Me, Fender! The Mustangs in the 80´s | 2001 | CD | |
| Mustangs | Live at the Sunhouse/In Amsterdam | 2006 | CD+DVD | |
| Mustangs | Collections | 2008 | CD | |
| Mäntynen Timo | Elämää ja aivokemiaa | 2010 | CD | |
