【實用音樂app】PlayPalPiano|最夯免費app-綠色工廠好玩App

Piano keyboard from F2 to B5. Pressing a key plays the note and shows it's position on the treble or bass staff.Purpose is to help memorise note positions on the staffs, the key position on the keyboard, and the sound of the note. There are also buttons to show the keys for major scales and to play major chords and show their keys.