Flash cards.
Flash cards help you to recognize the notes on the staff. Touch the correct key on the piano within the allotted time. The result is displayed on the back of the card. As you do better turn on sharps and flats and reduce the time.
Bass Clef is our exciting new project for iPhone
Flash cards help you concentrate on learning the notes on the bass clef without the distraction of finding the corresponding notes on the fingerboard.
Notice the feedback at the top of the screen. You see how many you have right, how many are left and the dial turns from white to blue as time runs out to make your selection.