Top 99 Series
- Kjos Duet Collections (43)
- Keys to Artistic Performance (3)
- Kjos Popular Collections (5)
- Kids Rule! (3)
- Keyboard Ensemble Series (26)
- Keys for the Kingdom (14)
- Kjos Conservatory Editions (173)
- Kjos String Tracks (350)
- Kjos Tradition of Excellence (107)
- Kaleidoscope (10)
- Kendor Jazz Archive Series (97)
- Kenton's Merry Christmas Series (11)
- Keyboard Play-Along (14)
- Keyboard Recorded Versions (9)
- Kjos Other Supplementary Books (3)
- Klassik Modern (7)
- Kunter-Bund-Edition (29)
- Kendor Konvertibles Series (168)
- Kjos Concert Band Legacy (55)
- Kjos FlexJazz (18)
- Karl L. King Centennial (23)