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

hank williams

jay althouse

bruce pearson, dean sorenson

johannes brahms

jan holdstock

mary lynn lightfoot


franz xaver gruber

johannes brahms

mark hayes

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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