I've recently got a new iPad (iPad Air), and I logged in on the App Store/ iTunes with my old account but it won't let me get my songs. A notification comes up saying:- This device is already associated with an Apple ID. You can auto-download purchases on this device with just one Apple ID every 90 days. You cannot associate this device with a different Apple ID for 31 days. - and it won't let me get my old songs. I have also just got the iOS 8.4 update and I'm not sure if that changes anything but it still won't download
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How to restore iTunes purchases when this notification comes up?