Join Choate Construction for the annual Cars and ‘Q for the Cause featuring 120-plus stellar cars; tasty BBQ, craft brews, and live music benefiting the Cystic Fibrosis Foundation. Children under 8 are free. Advance tickets include dinner, and range from $20 to $40 (access to bar). Tickets rise to $30 and $50 on April 26. Visit www.carsnq.com for more info.