Harmony Builder

Hear a scale and the chords inside it.

Help

Choose a key and scale. Start with the scale, then try the tonic and each diatonic chord.

Playing a new sound stops the one before it. Press the active button again to stop.
The page remembers your key and scale on this device.

Pitch collection

Preparing…

The scale plays upward and lands on the octave.

Ready. Choose Hear scale to begin.

Diatonic chords