Easy Keyboard Harmony Book 5 Author:Wesley Schaum This series provides practical keyboard training leading into improvising an accompaniment from standard chord symbols - those commonly found in pop, folk, country, and sacred music - the same as used for guitar, organ, and piano accordion. — Book Five continues to develop melody improvising with added chord tones and octaves, rhythmic alteration... more »s, and close position harmony. Accompaniment styles are expanded with 7-5, m7-5, 9, m9, and M9 chords, ostinato bass patterns, and blues progressions.« less