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

earlene rentz

roy phillippe

ray thompson

mike steinel


benjamin harlan

tom hapke

troy stetina

philip john berthoud

jeff clementi

thomas graf

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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