12 yuan per minute. Piano block The speed of most players is 6 pieces per minute, which is a normal level. Powerful players can get as fast as 1,2 pieces per minute. Piano Block is a mobile phone game independently developed by Cheetah Mobile, which perfectly combines music and arcade play. Click on the black square according to the rhythm of music, and click it in order. You can't make mistakes or mistakes, which will lead to the failure of the game.