The event tie dye for

Be there with bells on, preferably corduroy, for the annual Bell Bottom Bash, a night of retro fashions and groovy tunes on May 19 at the Sonoma Community Center. Period threads encouraged (finally, your Granny Glasses are for effect, not reading the menu.)

Costume contest and dancing to live music from BackTrax and Wildflower, plus Popo the Clown and other fun for kids. 6 to 11 p.m. (At midnight, your VW van turns back into a pumpkin.) $15, kids under 12 free. Bellbottombash.com.