June 7, 3–7 p.m.: Music, food & screening of the movie, Grease, at sundown. June 8, 8 a.m.–4 p.m.: Classic car show with live music. 9 a.m.–2 p.m. Admission $10. Ages 12 & younger: Free. Parking $10. Sonoma County Fairgrounds. 1350 Bennett Valley Rd., Santa Rosa. (Cruise-in June 8, 5:30–8:30 p.m. in downtown Santa Rosa.) cruiseforpeggysue.com.