Chord Progressions
Pick a key and scale to discover common progressions with built-in triads.
Results will appear here.
Melody Generator
Send any chord list to get a simple melody that sits on top.
Melody notes will appear here.
Guitar Fretboard
Visualize where each melody note sits on the neck.
Play a melody to see fret positions.
API quick reference
Prefer JSON? You can still call the worker directly.
Progressions:
/api/progressions?key=C&scale=majorMelody: POST
/api/melody with {"key":"C","scale":"major","progression":["C","G","Am","F"]}Extras: Add
&capo=2 to transpose progressions; melodies now include guitar tab positions.