Lafayette’s Summer music series “Rock the Plaza” on Friday, June 28 from 6:30 p.m.-8:30 p.m. features The Buzztones. This Friday night summer series is FREE, and is held in the Plaza Park at the corner of Mt. Diablo and Moraga Rd. Arrive a little early to grab a good spot on the lawn. BYO picnic, or purchase items from Lafayette Rotary Club, Whole Foods, or Cold Stone Creamery.