Click the green flag. You have two choices to play the xylophone. 1) Use the arrow keys. When Luca touches a key, the note plays. 2) Use the mouse to play without Luca.
As I started this project I realized that what I was coding was really the Day #1 prompt once again. So, rather than delete the code, I added to it. Luca is controlled by the arrow keys. When she touches a key, that note plays. I think moving Luca to compose a tune is difficult. I like using the mouse better. Challenge: Can you play "Do-Re-Me" from The Sound of Music?