For students of piano or guitar, this fun and friendly step-by-step introduction to music theory is written with the adult learner in mind. It is both a great self-teaching book and a great method for use with an instructor. Beginning Theory for Adults covers scales, intervals, chords, and chord inversions, major and minor diatonic harmony, keys and the circle of 5ths, plus how to read music. In addition, detailed diagrams help simplify the learning process. An ear training CD and answer key is included.