Introduction to Music Theory and Rudiments

Covers rhythm, pitch, scales, chords, and harmonic progression in a structured college-level format. Includes exercises and musical examples throughout.

Mark Andrew Cook

A complete four-semester college music theory textbook covering fundamentals through chromatic harmony, form analysis, and melodic construction. Licensed under GNU FDL.

Robert Hutchinson

Covers notation, scales, key signatures, intervals, chords, and harmonic analysis. Published by the University of Edinburgh as an open educational resource (CC BY-SA 4.0).

Michael Edwards, John Kitchen, Nikki Moran, Zack Moir and Richard Worth

Explains notation, pitch, time signatures, keys, scales, intervals, chords, and transposition with clear examples and exercises. An open textbook from Connexions (CC-SA 4.0).

Catherine Schmidt-Jones

Focuses on musical modes, improvisation techniques, composition with modes, and modulation between keys. Practical examples for applying advanced theory concepts.

Beverly Hills High School