A lot of old-media organisations have found some success in selling "access", you might also be able to find subscription-paying patrons who get special privile

A lot of old-media organisations have found some success in selling "access", you might also be able to find subscription-paying patrons who get special privileges beyond the casual audience member: attending rehearsals, going backstage after shows, or even attending classes themselves to get closer to the action. There's also good old-fashioned sponsorship — local brands or wealthy individuals who are happy to contribute to your mission in exchange for billing in your promotional materials and physical spaces.