This comprehensive study of harmony is a must for any guitarist interested in jazz. It explains the essentials of jazz harmony in a friendly, easy-to-understand manner. Learn about chord scales, abbreviated voicings, extended harmonies, altered chords, substitutions and analyzing chord progressions. Other topics iclud II-V-I progressions, the dominant cycle, "rythm changes", clusters, quartal harmonies, working with upper structures and much more. Finally, jazz harmony is demystified in one reliable and easy-to-read book.