Octopus

Every note shows its degree over the root, not its name. The colour tells its job in the chord:

1root 3third 5fifth b7seventh 9tensions

Click a fret to hear it · double-click (or long-press) to make it the root.

Key

What to play

Major

Dominant

Minor

Half-diminished & diminished

Where on the neck

Frets

Strings

Frets 0–4

Click a fret to hear it · Double-click to make it the root

Find this note on the neck

The drone holds the root: listen to the note above it

Tap them on the neck. The orange 1s are your roots

Tap every note of it inside the lit frets and strings

100 BPM

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