Kurt Weill was born on this day, March 2, in 1900 (d. 1950). The German-born American composer was active from the 1920s in his native country, and in his later years in the United States. He was a leading composer for the stage who was best known for his collaborations with Bertolt Brecht with whom he developed productions such as his best-known work, The Threepenny Opera, which included the ballad “Mack the Knife.”