Click frets on the guitar neck to build chords. Add them to your progression and watch the key and theory panels update in real time.

• Click frets to select notes — Fretty identifies the chord automatically.
• + Add to Progression to build a chord sequence.
• Click a chord chip to reload its voicing onto the fretboard.
• Explore Theory opens the scale degree and theory modal.
• Diatonic Chords shows chords that fit your detected key.
• Next Chord Ideas suggests musically interesting next moves.