Delaware Symphony Orchestra Concert, pre-concert talk 2 p.m., concert begins at 3 p.m., Cape Henlopen High School, 1250 Kings Hwy., Lewes. Music director David Amado to conduct pianist Leon Fleisher and orchestra in Mozart’s Piano Concerto No. 12 in A Major. Cost is $10-$35 for tickets. For tickets go to delawaresymphony.org, contact 656-7442 or purchase at door.