Talk:Waterfall/Puzzles/@comment-36095887-20180706054151/@comment-36297443-20180723034028

You have to press the Z key to play a note on the piano. Pressing Z with no other input plays the neutral note. To play the other notes you have to hold an arrow key and press Z at the same time.

The notes from left to right go: D,E,F#,G,A if you want to jam out with it.