As with pretty much every other activity right now, having the quintet gather outdoors is a great idea. If any neighbors complain, explain that the backyard practices are part of a global effort to keep them from dying. If anyone happens to be infected, any virus that emanates in the heat of performance will likely fade into the sky and disperse like the music itself. Indoors, as any parent of a child who’s learning an instrument knows, everything is trapped and can echo around the room indefinitely.
Some instruments do seem to pose more risk than others. Obviously, string instruments can be played without even opening your mouth, but it sounds like your daughter’s quintet is too far along to take kindly to a suggestion that they all learn new instruments. Because the virus is sent into the air by