Kurt Julian Weill (March 2, 1900April 3, 1950) was a German-born American composer.}} 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 fruitful collaborations with Bertolt Brecht. With Brecht, he developed productions such as his best-known work, The Threepenny Opera, which included the ballad "Mack the Knife". Weill held the ideal of writing music that served a socially... plus