To play a song, you just have ... and subsequently prompt the buzzer to emit the right note. Since the project uses pretty basic components, the Arduino code is equally basic, too.

To be specific, it isn't an Arduino brand, it is a DigiSpark, but the trouble isn't with the device itself. The problem is with a buzzer. I got the Velleman svm06. It says it is rated at 3-7VDC ...