Pianist and composer Dan Siegel brings you "Harmonic Mechanisms", a valuable book that offers an exploration and analysis of various harmonic structures that can be applied as vehicles for improvisation and composition. The text can be employed as supplemental material for intermediate to advanced level theory, musicianship, composition, and jazz improvisation coursework. Dan has 22 solo albums, and hundreds of other producing, arranging, composing, and performing credits in his extensive recording career. His impressive experience and mastery of music come together in the creation of this one-of-a-kind music composition book.