"If I might make a suggestion, I'd suggest testing the waters with a sound system purely on the first floor to see how her patrons like it. Some might prefer to eat without any potential distractions. Once you drill that hole, you can't really undrill it. If the majority of patrons want music on the second floor as well, then you could drill that hole if the wireless speakers still aren't available."

Alastor lowered his hands so they rested in his lap, hands clasped.

"In the latter case, the upstairs could have wireless speakers while the downstairs ones are still using cables. There's a lot less signal noise that way. While it's useful, wireless technology can get garbled if multiple devices end up using the same exact frequency like two stations trying to broadcast on the same channel."