A4#=440(1/12)=466.1HzB4(시)=4402/12)=493.8HzC5(도)=440*(3/12)=523.25HzC5#=440(4/12)=554.36HzD5(레)=440(5/12)=587.33HzD5#=440(6/12)=622.25HzE5
당신은 어느 그룹입니까?