According to The New Penguin Dictionary of Music
, Darius Milhaud was a French composer born at Aix-en-Provence; became a member of the group of composers called the "six". Associated with various important literary figures, especially Claudel (opera "Christopher Columbus", play "Proteus", and other works), and Cocteau (ballets, etc.). Visited Brazil and U.S.A., and influenced by jazz as early as 1922-3. Very prolific composer. His other works include operas; an arrangement of "The Beggar's Opera" in French; 18 symphonies, one for wordless chorus with oboe and cello; various concertos; 18 string quartets; Jewish liturgical music; and many songs. In the U.S.A. during Second World War, and frequently afterwards.