The Chatham Concert Series will hold an All-American program at Emmanuel Episcopal Church on Sunday, July 3, at 3 p.m. Concert series favorites Kevin and Bryan Matheson, violin and viola, and Judith Clark, piano, will entertain the audience with excerpts from Gershwin’s “Porgy and Bess,” “Rhapsody in Blue” and “An American in Paris,” Copeland’s “Hoe-Down” from Rodeo and Joplin ragtime. Arrangements by famous violinists Jascha Heifetz and Itzhak Perlman and Broadway songs by Leonard Bernstein, Stephen Sondheim and others will leave you with a spring in your step.