The Architecture of Music: Volume 1.0: Combined Guitar and Piano Chord, Scale, and Mode EncyclopediaThe Architecture of Music Volume 1. 0 is the most complete combined chord, scale, and mode encyclopedia for the guitar and piano ever created, an effort almost two decades in the making. The chord encyclopedia includes more than 300 chords, and depicts every possible way to play them on the guitar and piano. The scale and mode encyclopedia contains 5 scales (33 modes) in every key, as well as complete lists of chords included in the chord encyclopedia