Planet Waves’ Chordmaster Planet Waves’ Chordmaster is a hand-held chord dictionary that holds 4500 guitar chords in its memory. The quintessential chord dictionary, the Chordmaster has a small touch screen LCD display from which the musician can select the root note (A through G#), and then select from almost every conceivable chord type in every position on the guitar neck. A great pocket-size tool for every guitarist from beginners to advanced professionals. Can be adjusted for left-handed players, as well.