Lola Bard Productions’ Holiday Carolers feature Chicago’s top vocalists performing a cappella arrangements in four-part harmony, specializing in traditional carols to festive pop Christmas favorites. They'll be strolling down 53rd Street in authentic Victorian costumes, taking requests and making spirits bright! Hear them sing "Let It Snow" here.

Men in Drag (no men, occasional drag!) is an all-female, student-run a cappella group at The University of Chicago. Its members embrace all that the name implies, challenging gender conventions and bringing passion and swag to all-female a cappella. Whether they're donning dresses and heels or leather and boots, Men in Drag is always rocking out. Check out their website to hear them in action...

The University of Chicago's 12-person, all-male contemporary a cappella group. Founded in 2008, "Run for Cover" has come a long way from its humble beginnings as seven guys singing "Longest Time." Check out their YouTube channel to hear them in action...

The South Shore Opera Company, founded in 2008, is one of Chicago’s best local opera companies unrivaled in its artistic performances. The company is the Arts Partner in Residence the South Shore Cultural Center, with the goal of bringing opera and musical theater to a diverse and underserved audience on the South Side and elsewhere. Hear them in action here.