The Butler’s Coffee Monthly Open Mic is Now Hosted by AV Guitar Society. 3rd Friday of every month. Sign-ups start at 6:30 p.m., performances start at 7 p.m., and are on a first-come-first-serve basis. Please, no timely setups, have your instruments tuned and be ready to go on stage for your performances. Performances will be two songs, or 10 minutes, whichever comes first.