HI @Almanorgetaway and @Sjzwahlen!
I've gone ahead and removed the Yamaha association with your Pandora accounts. When this takes affect, you'll automatically be logged. Please be patient as this may not happen immediately.
Once you're logged out, try Pandora once more.
In some case, if you're still having trouble, power cycling your Yamaha by unplugging it for 5 minutes, can help.
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