if you want background music during slideshow ...

            Click the guitar on left...
            A new window called "music.html" will appear.

                  Click the play button of the song you wish
                  to hear, then click on
                 
                  You can reopen "music.html" at anytime to
                  start another song.
                  When done watching slideshow
                  don't forget to X out of "music.html".