I can second this. MacOS: 10.14.6 Version 84.0.4147.135 (Official Build) (64-bit) I am technical and have tried all recommended steps. 1) rebooted wifi -- am actually on a hardwired ethernet  2) double checked that sound is enabled, and I even whitelisted pandora for good measure Same thing, if Pandora is not on the active tab now it stops playing seemingly randomly. Update: By opening Pandora in a separate WINDOW instead of a separate TAB it seems to solve the issue. So it has something to do with background audio in a tab in Chrome. ... View more