What is your favorite book on jazz harmony? - Jazz Guitar Online

Word of Alex's improvement spread quickly through the local music scene, and soon, he was in demand as a sideman for various jazz ensembles. Performances at renowned venues became more frequent, and his name began to circulate among jazz aficionados.

that this approach is often incomplete. Berkman’s work shifts the focus from simply following a fixed sequence of chords to understanding harmony as a series of "harmonic destinations" that can be reached via numerous creative routes. The Concentric Model of Functional Harmony

An approach that views chords as combinations of sixth chords and diminished chords rather than just stacked thirds.