I understand that I need to cancel one subscription before I can sign up for a new one. So I cancelled my Pandora Plus subscription, it said it would expire the first of the month (which was yesterday) but I'm still not able to sign up for Pandora Premium. I'm still getting the message "Unable to subscribe to Pandora Premium Student. You're currently subscribed to Pandora Plus via iTunes. The Pandora Premium Student Plan isn't currently available through iTunes." -- how can I confirm that my Pandora Plus subscription has been cancelled so I can get Premium?
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