| Grupo | Album | Año | CD |
| Mecano | Ana, Jose, Nacho | 0 | 126 |
| Mecano | Descanso Dominical | 0 | 126 |
| Mecano | Donde esta el Pais de las Hadas | 0 | 126 |
| Mecano | En Concierto | 0 | 126 |
| Mecano | Entre el Cielo y el Suelo | 0 | 126 |
| Mecano | Lo Ultimo de Mecano | 0 | 126 |
| Mecano | Mecano | 0 | 126 |
| Mecano | Ya Viene el Sol | 0 | 126 |
| Mechanical Moth | Fallen into You | 2004 | 286 |
| Mephisto Walz | Croscomia | 0 | 200 |
| Merche | Mi Sueño | 2002 | 68 |
| Merry Thoughts, The | Psychocult | 0 | 144 |
| Metallica | Black Album | 0 | 63 |
| Metallica | Garage Inc. | 0 | 63 |
| Metallica | Live Mexico 1993 | 1993 | 12 |
| Metallica | Load | 0 | 63 |
| Metallica | Ride the Lightning | 0 | 63 |
| Metallica | S & M | 0 | 63 |
| Methods of Mayhem | Methods of Mayhem | 1999 | 84 |
| Michael Bolton | Only a Woman Like You | 2002 | 70 |
| Michael Jackson | Invincible | 2001 | 79 |
| Michael Jackson | Thriller - Special Edition | 2001 | 76 |
| Midnight Oil | Head Injuries | 0 | 42 |
| Midnight Oil | Midnight Oil | 0 | 42 |
| Midnight Syndicate | Born of the Night | 1998 | 179 |
| Midnight Syndicate | Dungeons & Dragons Official Roleplaying Soundtrack | 2003 | 296 |
| Midnight Syndicate | Gates of Delirium | 2001 | 179 |
| Midnight Syndicate | Realm of Shadows | 2000 | 179 |
| Midnight Syndicate | Vampyre - Symphonies from the Crypt | 2002 | 296 |
| Mike Oldfield | Elements | 1993 | 80 |
| Mike Oldfield | The Essential | 1997 | 80 |
| Mike Oldfield | The Millenium Bell | 1999 | 73 |
| Mike Oldfield | Tres Lunas | 2002 | 64 |
| Miliki | Como Están Ustedes | 0 | 77 |
| Minnie Riperton | Come to My Garden | 0 | 311 |
| Mira | Apart | 0 | 151 |
| Mira | Mira | 0 | 151 |
| Mission, The | Carved in Sand | 0 | 142 |
| Mission, The | Children | 0 | 142 |
| Mission, The | Gods Own Medicine | 0 | 121 |
| Mission, The | Grains of Sand | 0 | 144 |
| Mission, The | Into the Dark (live) | 1990 | 40 |
| Mission, The | Kingdom of Heaven (live Wembley Arena London 1988) | 1988 | 178 |
| Mission, The | The First Chapter | 0 | 144 |
| Modest Mouse | The Fruit the Ate itself | 0 | 225 |
| Modestia Aparte | Modestamente... Hasta Siempre | 0 | 70 |
| Modestia Aparte | Vivo (17 grandes exitos) | 2002 | 59 |
| Moloko | Moloko | 0 | 71 |
| Monaguillosh | Prisma de Agatas (SC) | 0 | 165 |
| Monaguillosh | Voces en la Jungla (SC) 1 (falta bocas) | 0 | 165 |