Finally, a complete harmony and theory method designed specifically for the pop and jazz musician! These books, used at the Grove School of Music, provide a sound and proven approach to theory. The Level One book completely derives and explains major and minor scales, keys and key signatures, all intervals, triads and four-part chords, modes, and more. Level Two covers five-part chords, II-V-I progressions, chord substitutions, harmonic analysis of tunes, voiceleading, and more. Each theory book includes hundreds of exercises with all the answers provided!