I've listened to ad-sponsored Pandora for free for years. I steam from multiple devices simultaneously with no warnings for exceeding my number of devices. I've now upgraded to ad-free Pandora premium and continuously get error messages that another device is logged onto Pandora and I need to wait until it's safe to resume playing on my current device. How do I continue enjoying my service without having to upgrade to the family plan? I"m a single person--and I like to listen from my Alexa devices around the house, on my phone and in my car. Thanks ... View more