The Player automatically starts. To stop the music, click on the word "pause" This works just like the word means..it pauses the music. To restart the music, click on the word "play" This also works like the word means.. it plays the music. To adjust the volume, click on the half circles to the right of the sound button You will see the half circles turn from white to grey.. If they are grey its soft.. If they are white. its louder. . It can't get any simpler than this.