Barber Shoppers - The Napa Valley chapter strut their harmonizing stuff every Tues at 7. All are invited to listen and men are welcome to sing along. Free, 707.257.2294. Church of the Nazarene, 3305 Linda Vista Ave, Napa (North Bay).
Tuesday Evening Comedy - Mark Pitta hosts ongoing evenings with established comics and up-and-comers. Tues at 8. $15-$20. 142 Throckmorton Theatre, 142 Throckmorton Ave, Mill Valley (North Bay), 415.383.9600.
Slip-Goose Monkey - Highlight performers from "Best of Sonoma County Improv 2009" tackle improvised comedic theater games on the fly. Last Thurs monthly at 7. Free, 707.778.6060. Aqus Cafe, 189 H St, Petaluma (North Bay), 707.778.6060.