I checked the second email you provided and see that it is upgraded to Pandora Plus through Apple, billed at $4.99 a month.
However, I double checked the account associated with your community profile and see that it now says you're upgraded to Pandora Plus through Apple, billed at $4.99 a month.
There may have been a communication error between the Apple billing system and our system. It looks like this error has been resolved.
If you're still hearing commercials on your Sonos device, I would sign out and back in again with your account information.
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