Hello, I'm having this same problem. iMac os x 12.5.  Safari 15.6  I have followed all of the Safari Troubleshooting steps from Pandora and it will not fix the problem. I can only play a few songs until the advertisements play and then the dreaded black square and and the music stops and does not come back even after hours. I have to close Pandora on Safari, 'Remove All' Pandora from cookies, reopen and login to Pandora, and then after a few songs, rinse and repeat. This has been an ongoing problem for about 5 days.  Help. P.S. Does anyone from Pandora look at these problems?   ... View more