The acclaimed vocal ensemble Chicago a cappella presents “American Anthem: Songs That Challenge, Unite, and Celebrate.” Based on the National Public Radio series, this concert is a soundtrack to historic moments and social movements from the Civil War to #MeToo. This captivating program features iconic songs that have become symbolic anthems, including “I Am Woman,” “Get Together,” “Changes,” “The Man in Black,” and “The Times They Are A-Changin’.” Performing with an ensemble of 10 singers and no conductor, Chicago a cappella has been hailed as “the area’s best unaccompanied group” (Chicago Magazine) and “the city’s liveliest, most versatile vocal ensemble” (Chicago Tribune).