Okay, she solved the sound problem when using Pandora via the hub. It needed and ACR(?) optical cable from the TV to the surround sound receiver that she didn't know about. With that cable now installed, the sound is routed to the proper place under the various scenarious.
Drugs are bad because if you do drugs you're a hippie and hippies suck.
"If you kill enough of them, they stop fighting."-General Curtis E. LeMay