All Chords for guitar and piano. Jazz Harmony is a great help for musicians playing mostly jazz. All scales are represented in every tone. Major, minor, blues, augmented, diminished, pentatonic scales etc ... All chords are also represented in all keys. Major, minor, 7th, 9th chords etc. They are represented in the form of American chords (eg: CM7). JAZZ HARMONY is a remarkable tool for helping jazz improvisation. SCALES: All the most used scales in Jazz, in all tones CHORDS: All the most used c