Use the mouse to click on the keys and play notes. Or use the middle keyboard row (keys S-L) to play the white keys, and use E, R, Y, U, and I to play the black keys. The notes start with middle C on the far left and go to high C. If you are learning the notes, click the button to show the note names on the keys. Use the buttons to adjust the tempo or show sample songs to play, etc.
