Kurt Weill was a composer whose career spanned two distinct periods: a revolutionary European phase from 1924 to 1935 and a prolific American Broadway period from 1935 to 1950. Born in Dessau, Germany, in 1900, his most celebrated European work, The Threepenny Opera, created with playwright Bertolt Brecht, introduced the famous "Mack the Knife" and established Weill's signature style of harsh, jazzy, and hauntingly melancholic music blended with sharp social satire. Other notable compositions include "September Song" from Knickerbocker Holiday with Maxwell Anderson, and "Alabama Song" from another Brecht collaboration. His American period produced successful Broadway musicals including Lady in the Dark with Moss Hart and Ira Gershwin, and One Touch of Venus, demonstrating his remarkable ability to adapt his compositional voice to different cultural contexts while maintaining distinctive melodic craftsmanship. He died in New York in 1950.