Banjo whiz Peter Mazoian returns with his high-energy program sizzling with musical reworks at 7:30 p.m. Saturday, July 9, at the Saco River Theatre, 29 Salmon Falls Road, Buxton. Mazoian will offer everything from dueling banjos to ragtime, from the Beatles to Americana show tunes. Cost is $20 for adults, $18 for students and seniors. RSVP: 207-929-6472, www.sacorivertheatre.org.