I am a new paid subscriber. And now that I have started to pay for my Pandora music, I can only have one listener at a time. We have 4 iPhones three iPads and two MacBooks all they listen to Pandora. But now that I pay for the Pandora plus, only one works at a time. Please explain. Do I have to cancel my subscription and go back to the free version? mod edit: changing title for clarity ... View more