CHORDS, FUNCTIONS & SCALES
by Blue Music Group

This product is two PDF documents and a bonus song.

A short but comprehensive reference of all basic chords, tonal functions and scales; diatonic, secondary dominants, subdominant minor, substitute dominants, passing diminished and blues chords, with industrywide accepted terminology and the correct default harmonic solutions to each situation.

http://chordscales.bluemusicgroup.com