oh i found it! Just click on "New song" and click "Can't find my song/artist" and then write "Give Your Heart A Break" in the box. (write that you're 10 or something ) http://radio.disney.go.com/speak/request.html
do it! They have pretty good audiences and kids may help the sales so yeah.
Radio Disney audience won't be included in GYFAB's audience on mediabase