Mr. Brent has toured all over the world as a professional musician.
He is the author of the critically acclaimed music theory book
MODALOGY
scales, modes & chords: the primordial
building blocks of music

(w/ S.Barkley)

and is a contributor to the best-selling bible of jazz theory
JAZZOLOGY
The Encyclopedia of Jazz Theory
for All Musicians
(both books published by Hal Leonard)