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

mike springer

irving berlin, jim lyke

henry wolking



robert d. vandall

jim lyke

dennis alexander

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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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