
Discover key insights about the composition, arrangement, and composer, see what's included, and find information to enhance your practice and performance.

joseph m. martin



gregg sewell

ken medema, ken medema

eric william barnum

greg gilpin

paul simon


julien-francois zbinden

New · Grammar of Music
Grammar of Music is our new interactive music theory system. Every interval, chord and progression plays as you read, so you train your ear while you learn — and every score you pick up starts to make sense.
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