When you're done listening to Pandora, all you need to do is to press Pause and leave the app. It is not necessary to completely quit the app or sign out when you're done listening. This advice doesn't work. The only way I can stop Pandora from playing once I've tried leaving the app is by restarting/powering off my phone. I didn't have this problem until I upgraded to a new phone. I've switched to mostly using another music app because of this issue, even though I much prefer Pandora.
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