CD
- Mark Knopfler - Shangri-La (2004)
- Maroon - When Worlds Collide (2006)
- Martyr - Planet Metalhead (2022)
- Mary Beats Jane - Locust (1997)
- Mary Gauthier - Mercy Now (2005)
- Massacre - From Beyond (1991)
- Massive Attack - Blue Lines (1991)
- Mastodon - Blood Mountain (2006)
- Mastodon - Cold Dark Place (2017)
- Mastodon - Crack the Skye (2009)
- Mastodon - Emperor of Sand (2017)
- Mastodon - Hushed and Grim (2021)
- Mastodon - Leviathan (2004)
- Mastodon - Remission (2002)
- Mastodon - The Hunter (2011)
- Matchbox Twenty - Mad Season (2000)
- MaYaN - Antagonise (2014)
- MaYaN - Quarterpast (2011)
- Medication - Prince Valium (2002)
- Megadeth - Cryptic Writings (1997)
- Megadeth - Endgame (2009)
- Megadeth - Hidden Treasures (1995)
- Megadeth - Megadeth (2026)
- Megadeth - Risk (1999)
- Megadeth - Th1rt3en (2011)
- Megadeth - Youthanasia (1994)
- Melvins - Houdini (1993)
- Merauder - God Is I (2009)
- Merauder - Master Killer (1995)
- Meshuggah - Chaosphere (1998)
- Meshuggah - I (2004)
- Meshuggah - Immutable (2022)
- Meshuggah - Koloss (2012)
- Meshuggah - obZen (2008)
- Metallica - 72 Seasons (2023)
- Metallica - Beyond Magnetic (2011)
- Metallica - Death Magnetic (2008)
- Metallica - Garage Inc. (1998)
- Metallica - Kill 'em All (1983)
- Metallica - Load (1996)
- Metallica - Reload (1997)
- Metallica - St. Anger (2003)
- Miles Davis - Kind of Blue (1959)
- Millencolin - For Monkeys (1997)
- Millencolin - Home from Home (2002)
- Millencolin - Kingwood (2005)
- Millencolin - Same Old Tunes (1998)
- Millencolin - SOS (2019)
- Millencolin - True Brew (2015)
- Ministry - Animositisomina (2003)
- Ministry - Filth Pig (1996)
- Ministry - Rio Grande Blood (2006)
- Ministry - The Last Sucker (2007)
