WENDY PIERRO/Acorn Newspapers HAVING TWICE AS MUCH FUN- Alanna, left, and Jordan Tilles, 3-year-old twins from Camarillo, snack on watermelon at Conejo Community Park. They were waiting for the concert to begin on July Fourth. Conejo Recreation and Park District hosted the Conejo Pops Orchestra in another Summer Concert in the Park with special guests the Sherwood Singers. A tribute band to Johnny Cash is scheduled to perform at 5 p.m. Sun., July 19.