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


stephen decesare

stan pethel


joseph m. martin

martins, the

cristi cary miller

john leavitt

dan forrest

marty haugen

michael lawrence
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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