Top 99 Series
- Music of Black Composers and Artists (60192)
- Music of Asian Composers and Artists (6734)
- Music of Latinx Composers and Artists (13929)
- Music from Star Wars (2296)
- Music from Harry Potter (2170)
- Music for Little Mozarts (89)
- Moonlight Sonata (88)
- Mark Hayes Choral Series (72)
- Mark Hayes Vocal Solo Collection (63)
- MusicWorks (1260)
- Mark Foster Choral Series (348)
- My First Piano Adventure (12)
- Modern Band (11)
- Masterwork Classics (7)
- Music for String Orchestra (360)
- Music Pathways (25)
- Music For Millions (8)
- Music of Our Time (244)
- Music Of Florence Beatrice Price (3)
- Music Fingers (9)
- Modern Guitar Method (57)
- Music for Four (35)
- Music for Two (45)
- Master Composer Series (12)
- MorningStar Cathedral Series (100)
- Mariachi Mastery (8)
- Mastering Melodies (31)
- Masters Study Scores (15)
- Mel Bay Modern Method (19)
- Mitropa Music Concert Band (291)
- Molenaar Light Concert Pieces (114)
- Music Express (142)
- Music for Concert Band (Southern) (53)
- Music for the Church Year (262)
- Music of Asia & the Pacific (21)
- Molenaar Original Compositions (1223)
- Molenaar Solo Works (546)
- Master Class Series (14)
- Music Box (160)
- Molenaar Classic Arrangement (996)
- Maestro Band Series (57)
- Mail Order Madrigals (3)
- Mally's Presents (3)
- Mannheim Steamroller Concert Band (33)
- Mary Alice Stollak Series (25)
- Mary Sallee Piano Series (4)
- Master Ringer (70)
- Masters of the North German School for Organ (35)
- Medalist String Orchestra (4)
- Mega Sounds for Marching Band (229)
- Mega-Sax Series (7)
- Mein Instrument (3)
- Mel Bay Photo Chords Series (16)
- Mel Bay Popular Guitar Styles (4)
- Mercury Concert Editions of Sacred Choral Masterworks (8)
- Methodes & Traites (98)
- Methodology Chorals (63)
- Michael Burkhardt Treble Choir (35)
- Michael Colgrass Series (18)
- Mini Activty (5)
- Mini Score Series (64)
- Mississippi Conference Series (3)
- Mitropa Play-Along Book (8)
- Mnemosis: The Memory of Music Collection (4)
- Molenaar Limited Band (43)
- Molenaar Marching Series (1270)
- Molenaar Masterpieces (116)
- Molenaar Slow Movements (28)
- Monumenta Monodica Medii Aevi (8)
- Moseler Chorreihe (47)
- Mozart-Jahrbuch (4)
- Music Factory (38)
- Music First Express (33)
- Music Pathways Selections (4)
- Music Readiness Series (4)
- Music for Three (52)
- Music in Me (25)
- Music of Counterpoint (5)
- Music of the Masters Series (4)
- MusicAvision (6)
- Musica Italiana (3)
- Musica Sacra Nova (20)
- Musikalische Denkmaler (3)
- Muungano (5)
- My First Arban For the Developing Student (3)
- My First... (6)
- My Kind of Music (4)
- My Very Best Christmas (9)
- Music for Piano (6)
- Music For Keyboard (4)
- Molenaar Band Music (531)
- Music Through Time (10)
- Mark Wood series (29)
- Music from Eastern Bavaria (28)
- Music of the 17th Century (14)
- Monster Stage Band Series (19)
- Matrix Marching Band (194)
- Matrix Concert Band (67)
- Music for Four Brass (7)