Which composer, who won an Emmy award, shared a stage with Groucho Marx at Carnegie Hall in 1972?
An Evening with Groucho:  Marvin Hamlisch accompanied Groucho on the piano. Marvin Hamlisch: Marvin Frederick Hamlisch (June 2, 1944August 6, 2012) was an American composer and conductor. Marvin Hamlisch:  Hamlisch was one of only twelve people to win Emmy, Grammy, Oscar and Tony awards.
i don't know