Looks like around ~500 weddings* will take place over Pride Weekend in SF. So sponsoring 1% on demand looks very doable.

That violinist Gabi Holzwrath is incredible (she has a "Royals" cover shot in Palo Alto) - http://gabiviolin.com/

*Based on previous data: http://www.sfgate.com/lgbt/article/Huge-crowd-ecstatic-vibe-...