- Open Music Theory v.2 (2024, Gotham et al., CC BY-NC-SA)
- Steps to Music Theory (2023, de Ghizé, NN BY-NC)
- Comprehensive Musicianship, A Practical Resource (2023, Harlow et al., CC BY-NC-SA)
- Music Appreciation (2023, Harrison/Achieving the Dream, CC BY)
- Beyond the Classroom: World Music from the Musician’s Point of View (2022, Spring & Bruce, CC BY-ND)
- Open Music Theory v.1 (2021, Gotham et al., CC BY-NC-SA)
- Resonances: Engaging Music in Its Cultural Context (2020, Morgan-Ellis, CC BY-SA)
- Music Theory for the 21st Century Classroom (2017, Hutchinson, GNU Free Documentation License, Version 1.2)
- Understanding Music Theory (2013, CSN-OpenStax, CC BY 2.0) (Understanding Music Theory Available from CNX through 8/2022, then content will be migrated to Internet Archive.)
- Fundamentals, Function, and Form (2009, Mount, CC BY-NC)
- Resonances: Engaging Music in Its Cultural Context, v5 (n.d., UNG, CC BY-SA)
More Music textbooks available from the Pressbooks Directory: Music!
