This Jazz Demonstration CD explains 12-bar blues, A-A-B-A form, ride rhythms, walking bass, comping, syncopations, trumpet vs. flugelhorn, clarinet vs. soprano sax vs. alto sax vs. tenor sax vs. baritone sax, Harmon mute, plunger mute, chords, chord changes, blue notes, trombone, vibraphone, and flute