Piano Theory : Paperback : Hal Leonard Corporation : 9780793576883 : 0793576881 : 01 Oct 1997 : (Educational Piano Library). Hal Leonard Student Piano Library mascots Spike, Party Cat and friends guide the student through fun, creative assignments that introduce the language of music and its symbols for sound, silence, and rhythm. Ear training and basic theory exercises help students learn to write and play the music they are learning as well as the music they create themselves. This book correlates directly to Piano Lessons Book 2...