Relative pitch trainer

■ defect report
- Training mode " white keys only ," " black keys only " is the situation that can not be only 10 questions .
Now , please wait until the update because it is during the update application .

It is an application to train the relative pitch.

First you will hear the sound of C .

Please place your next sound sound .

Chord will be two notes at the same time .

Please against the difference in sound .