This is the crucial point in getting the performing arts industry back up and running - not relative safety, but direct and indirect importance to the economy. More here:
https://paulcareyjones.wordpress.com/2020/07/03/coronaclassical-drilling-holes-in-the-titanic/ https://twitter.com/tomjrowley/status/1316677319403212802

(Interesting to note that since I wrote that piece in early July, the roles have reversed and football clubs are now complaining about theatres being open.)

That's not to say that (non-relative) audience safety isn't important, but that's more a factor which will become increasingly important in terms of bolstering audience confidence that it's safe to return to theatres. More here: https://paulcareyjones.wordpress.com/2020/10/02/coronaclassical-20-carthago-delenda-est/

The other crucial factor would be clarity and consistency of approach at government level. We live in hope.