In Stock. 45 Day Lowest Price - 100% Satisfaction Guarantee. Call up one of the 100 built-in songs, select if you'd like to play the left or right hand part and hit Start. The keyboard will light up the key that you're supposed to play. And to make it even less stressful, the song will actually stop and wait for you to find the correct key! All of the tools you need are found in the keyboard, including how to play chords.