Friday, May 20, 8 p.m. Capitol City Opera Company presents Gilbert and Sullivan’s light-hearted comic operetta production, “The Mikado,” set in Japan. General admission: adults, $40; seniors/students, $30; free with a Petrel Pass. Additional shows: Saturday, May 21, 8 p.m. and Sunday, May 22, 3 p.m.  Conant Performing Arts Center, 4484 Peachtree Rd., Oglethorpe University, Brookhaven, 30319.  For more information and tickets, go to: ccityopera.org.