I believe that as soon a vaccine or effective treatment is available, things will return to "normal" pretty quickly. People will still want to dine out, go to concerts, movie theaters, take cruises, etc. And AD's will start looking for "live" entertainment again.

Recorded music has been an option for almost 100 years. The fact that AD's, restaurant managers, etc., hired y'all in the first place shows that they-- and their guests-- prefer live entertainment. Or as live as it can be with an arranger ;-P

One inspiration, one breakthrough within the scientific or medical community. That's all it will take. Be careful, for now. But don't give up hope!