It does so through:
The Walnut Street Theatre, founded in 1809, is America's Oldest Theatre. It is also the Official State Theatre of Pennsylvania, and a National Historic Landmark. With nearly 50,000 season ticket holders, the Walnut is also the most subscribed theatre company in the world!
Image Credits: News & Media Photo — Born Yesterday, (2009), Kate Fahrner · Connect With Us Photo — Noël Coward's Fallen Angels, (2010), Susan Riley Stevens and Karen Peakes