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

amy camie

franz xaver gruber, daniel kantor, john ferguson


marty haugen

r. schumann

eric william barnum

greg gilpin

robert sieving

ton van grevenbroek

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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