The EasySound library is in the student files of our textbook's website.

Add the EasySound.jar library the your BlueJ API (the way we added the KarolRobot library.

public class EasySounds
{
    
    public static void main(String[] args)
    {
       EasySound bells = new EasySound("bells.wav");
       bells.play();
    }
}

bounce.wav