Frets
Octaves
Scale tones across the keyboard
Staff notation
Scale tones on keyboard
All Scales
Scale tones across the keyboard
Staff notation
Tones on keyboard
Diatonic Chords
Chord tones on keyboard
Tonic (T) — rest & home
Subdominant (SD) — movement
Dominant (D) — tension
Playback — tap a progression below, then Start