Open
http://www.wimpyplayer.com/docs/mp3/customizer.html to get your html code
then open your CMS widgets and select add widget, select Static HTML, give it a name and description if you wish, select save. Now find your widget in the list, and select "configure" where it says enter static HMTL paste the code you received from your customizer. select save. Go to your layout manager and put the widget where you like.