游戏介绍
上次更新于2015/03/18简介■ 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 .