It is a score creation application of a chord (diagram).
1. Please input the chord of a guitar or a piano, and a stroke into each bar.
2. If the tap of the Play button is carried out, bars will scroll from the right to the left automatically according to tempo.
Metronome sound and musical instrument sound can be turned on and off according to a use.
(When iPhone itself is in silence mode, sound does not come out.)
It can edit...