Be sure to turn up your speakers. To play the Drum: 1: Click the Drum To play the Piano: 1: Press the keys on your keyboard that are on the Piano. To play the Cymbal: 1:Click the Cymbal. To stop all sounds: 1: Click the red stop sign in the project. This not only stops all the sounds, but stops the entire project as well. You will see it as a sprite in the editor. To play the Triangle: 1: Click the Triangle.
I'm glad of how my first project with a playable piano turned out.