The purpose of this book is to prepare harmonica players to play jazz music by teaching both the technical skills and the harmonica knowledge needed for fluid, effortless improvisation. Topics include vibrato, articulation, twelve-bar blues, the blues scale, pentatonic scales, intervals, melody development, and chord progressions. This book uses diatonic 10-hole harmonicas in all keys, and the 12 or 16-hole C Chromatic harmonica. The audio files are in split-track format and include both simple and complex versions of the tunes in the book. Includes access to online audio files.