Book excerpt: (Piano Instruction). For generations, scales, chords, and arpeggios have been an essential element of keyboard study. Not only do they equip piano students with the technical acumen required to play the instrument, they also provide practical instruction in the basics of music theory. In this must-have, all-in-one resource, you'll find notation and fingerings for scales, chords, arpeggios, and primary cadences for the 15 major keys and the 15 minor keys. Chromatic scales, scales in thirds and sixths, and the grand scale are also included.