Marin Alsop leads the BSO in a Season Highlights concert, with excerpts from this year's classical programs, focused on youth and beauty, plus the work of Gustav Mahler. Among the highlights: selections from John William's Star Wars Suite, Mozart's The Magic Flute, Prokofiev's Cinderella and Mahler's Symphony No. 1 in D Major. Friday, Sept. 10, at 8 p.m. Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda. Tickets are $10. Call 410-783-8000 or visit bsomusic.org.