In what year did the writer of the music of the Firebrand of Florence become a United States citizen?
Kurt Weill Kurt Julian Weill (March 2, 1900April 3, 1950) was a German 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 useful purpose. He also wrote several works for the concert hall. He became a United States citizen on August 27, 1943.
Simeon Bellison Simeon Bellison (September 4, 1881 – May 4, 1953), born in Moscow, was a clarinetist and composer. He became a naturalised American after settling in the US in 1921. Bellison established an early clarinet choir (including women) in the United States; from an initial eight members, the group's size grew by 1948 to 75 members. Bellison was later the first clarinetist of the New York Philharmonic. The Philharmonic's online archive contains papers related to Bellison's leadership of his Philharmonic-sponsored clarinet ensemble, including various clarinets owned by the Philharmonic for the group's use, insurance policies, and sale of many of these in 1943.