Can I use my Rhapsody app on my iPhone 4s with the AppRadio (SPH-DA02) to play music?

Or can I use one of the AppRadio apps to play my downloaded Rhapsody-to-go songs that is on my iPhone??

 

I'm not an iTunes user, so I don't have any iPod music on my iPhone...I have a Rhapsody-to-go account and have downloaded music to my iPhone (which i've been using the Rhapdody iPhone app to play)...

 

Considering the purchase of an AppRadio, but if I can't leverage Rhapsody, then I'll have to look at another option...

 

Thoughts??

 

Mike