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01 / Piano

Chord Keys

A two-octave piano. Pick a root note and a chord type and the keys light up, with inversions and correct note names.

Open Chord Keys → 02 / Guitar

Guitar Chords

A guitar neck in standard tuning. Pick a chord and see several shapes to play it up the neck, with open and muted strings marked.

Open Guitar Chords → 03 / Any instrument

Nashville Numbers

Learn the Nashville Number System: write chord progressions as numbers, hear them in any key, and read a real Nashville chart.

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