Same problem here. It has existed for many months (probably a couple years, really) for me. I use Pandora occasionally but it's always running in the background. I'll force close it and it will come back later. Sometimes it pops up with the full notification as if it is playing music but just paused. Uses battery, too. The Android battery monitor always has it there using a  couple % of my battery. I'm using a Pixel 6 Pro with the latest update of software. On Verizon but happens on both WiFi and Data.  ... View more