141 131 http://www.freepatentsonline.com/index.html http://www.freepatentsonline.com/images/logo.gif http://www.freepatentsonline.com/result.html?query_txt=ccl/084%20and%20isd/04/29/2008&uspat=on USPTO Class 084 Music en-us Wed Apr 30 16:35:00 EDT 2008