Vocal Exercise description

"Vocal Exercises" is a very simple app that is the accompaniment of vocal exercises on the piano when you want to do it, anytime anywhere.

○You can choose from three practice patterns.
○The presence or absence of guide melody can be selected.
○You can choose the background color from seven colors.


Notes on practice
Please do not say the low sound or high sound, with the unreasonable. It may cause that would damage the vocal cords.