Music makes more sense when you can hear it
Learn what notes are doing.
Begin with one friendly half-hour tour or follow the Full Music Theory Course from sound and rhythm through notation, harmony, transposition, ear training, and composition.
Choose your path
Curious for half an hour or ready to go deep?
Both paths teach you directly. You will read, listen, predict, try, and check—not read a teacher's lesson plan.
The quick path
Music Theory in 30 Minutes
Meet the pitch detector, understand note names and octaves, read a basic staff, use sharps and flats, and see why some instruments transpose.
Start the quick lesson → The full pathFull Music Theory Course
Sixty practical lessons written primarily for self-teaching, with optional adaptations for high-school and college classes.
Explore the full course →Teaching a class?
Open teacher resources
Learner first, classroom ready.
Every full-course lesson includes a companion teacher panel with pacing, preparation, discussion moves, differentiation, and an exit check.