Top 99 Series
- In High Voice (112)
- Imagine Music Pathways Series (94)
- Iona Community (88)
- Improve Your Sight Reading (64)
- In Spirit and Truth (46)
- Intermediate Music for Four (36)
- Italian Renaissance Consort Series (27)
- Internationales Quellenlexikon der Musik (RISM) (24)
- Innocent Sounds (23)
- Ithaca College Choral Series (18)
- IberMusica Concert Band (17)
- Intermediate Music for Three (17)
- I Recommend (16)
- In Recital Throughout the Year (12)
- Intervallic Reading Series (9)
- In Recital with Christmas Favorites (7)
- Intermediate Music for Two (7)
- I Used to Play Piano (6)
- In Recital with Jazz, Blues, & Rags (6)
- In Recital with Classical Themes (6)
- In Recital Duets (6)
- In Recital for the Advancing Pianist (6)
- In Recital with Popular Christmas Music (6)
- In Recital with Timeless Hymns (6)
- In Recital with All-Time Favorites (6)
- Instruments Historiques: Monographies d'Instruments, Facteurs et Luthiers (5)
- In Recital with Little Pieces for Little Fingers (5)
- In Style (4)
- It's Easy To Play (4)
- In Tune With... Piano Series (3)
- In Recital with Popular Music (1)