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


robert j. powell

antonio carlos jobim

james michael stevens

lani smith

kiran young wimberly


various

george kiorpes

timothy r. matthews

charles e. callahan jr.
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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