Friends of the Moonridge Zoo host the 50-year Moonridge Animal Park anniversary concert; proceeds from Blues for the Zoo benefit wildlife rehabilitation programs. Concert takes place lakeside at Swim Beach, at 41220 Park Avenue in Big Bear Lake, and will feature headliners Delta Guitar Slingers, as well as Guy Davis and Cafe R&B. Pre-sale tickets, available May 1, are $35; tickets are $40 at the gate. Children 10 and under are free with a paying adult. Parking is $3. Gates open at 2pm, music runs from 3pm to 7:30pm. Beach chairs and blankets welcome, no coolers as food and beverages will be available. To purchase tickets, visit Big Bear Chamber of Commerce on Bartlett Road, the Moonridge Animal Park gift shop, or go online to MoonridgeZoo.org.