Interactive apps to practice, visualize, and train — right in your browser. Pick one and dive in.
🎸
Fingerboard
Map any scale, chord, or arpeggio across the entire neck.
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🎼
Fretboard Fingerings
Scale fingerings in every key — full neck, CAGED positions, and one-octave shapes.
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🎹
Chord Library
Every drop-2, drop-3, and close voicing, in all inversions.
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🎯
Circle of Fifths
An interactive circle for keys, chords, and harmonic relationships.
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👂
Ear Trainer
Train your ear on intervals, chords, and melodic lines.
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🎵
Melodic Trainer
Name each note of a continuous melodic line by ear — “The Line.”
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✨
Fingerboard 2.0New
The redesigned fretboard explorer — new engine, cleaner interface.
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