Kurt Weill was a prominent German composer known for his contributions to both classical music and musical theater. He collaborated with playwright Bertolt Brecht on several groundbreaking works, including "The Threepenny Opera." Weill's unique blend of classical, jazz, and cabaret styles helped revolutionize the genre of musical theater. His most famous compositions include "Mack the Knife" and "Alabama Song." Learn more about Kurt Weill's lasting impact on music and theater history.