Music Problems

If 'backgroundmusic' is the name of a public field that holds the GreenfootSound object that is playing, and it is located in your world class, and you want to stop it from an actor class; then, as long as the actor is still in the world, you can use: You do not even have to ask if the sound is playing for this to work. If the music is not playing, no action is taken, and no errors will ensue.