This game features a wide variety of instruments, most of which use these rows of keys on the keyboard to fret/play notes. High Octave: Keys 1 to = Mid Octave: Keys Q to ] Low Octave: Keys A to ENTER To play the cello first hold keys to fret, then left click and move your mouse left and right to bow. Mouse height controls volume. To play the rhythm guitar, select a note and then press NUMPAD 1, 2, 3, or 6 to play chords. NUMPAD 0 stops all chords.