This chart clearly presents major scales, minor scales, major pentatonic scales, blues scales, Mixolydian Mode, Dorian Mode, Lydian Mode, Phyrgian, Aeolian, and Locrian Modes, plus the enigmatic scale, chromatic scale, whole-tone scale, diminished scale and Neapolitan major and minor scales. This chart is excellent not only for the beginner but also for the advanced player.