Odaiko Sonora performs the physically demanding art of Japanese ensemble drumming on the Scott Avenue Main Stage for Second Saturdays at 6:45 p.m., Saturday, June 11. Their appearance is sponsored by the Pima County Public Library's Summer Reading Program, "One World, Many Stories." The Main Stage is on Scott Avenue between Congress Street and Broadway Boulevard. Call 791-4010 for more information about the Odaiko Sonora performance. Visit 2ndsaturdaysdowntown.com for more information about Second Saturdays.