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

robert e. proctor, warner and bradbury

brooklyn the musical

mark hayes

gary lanier


mark hayes

felix bartholdy mendelssohn

mark hayes

ronald perera

the lumineers


gioachino rossini, change the key
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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