Interval Piano

Notes as semitone distances from anchor

Active intervals
Row mapping (chromatic from anchor):
` 1 2 3 4 5 6 7 8 9 0 - = | Anchor +2 oct (0-12)
Tab Q W E R T Y U I O P [ ] | Anchor +1 oct (0-12)
Caps A S D F G H J K L ; ' Ent | Anchor home (0-12)
LSh Z X C V B N M , . / RSh | Anchor -1 oct (0-11)