El Dorado Hills Town Center presents Steelin' Dan, performing the music of Steely Dan, in the amphitheater, music by Mike Rogers on Town Center Boulevard and Nature's Critters hands-on exhibits in the lower plaza. When: 6:30 to 8:30 p.m. Where: El Dorado Town Center, Town Center Boulevard, El Dorado Hills. Cost: Free. Take chairs or a blanket and bring a picnic. Information: (916) 932-2150.