Rhythm Ace is one of the most comprehensive rhythm programs on the market today. It sharpens your ability to keep the beat using your computer keyboard, MIDI keyboard or even your mouse! A visual feedback system gives instant feedback on how you're doing. You can use the 12 pre-defined levels or customize many features. Access hundreds of rhythms from a classical and jazz library and select from three exercise types (reading, dictation and custom) for one or both hands.