I have Pandora Plus but would like to upgrade to premium. I get the message to go to my google play app to make changes for my subscription. I only have one google account and this sub isn't anywhere to be found. I even tried logging onto my pc to see if the Pandora web browser would let me upgrade, but it wont. It's not under my google account online either. Please tell me why I can't find my subscription anywhere. I'm very. close. to canceling.  ... View more