This document provides information about 20th century composers Sergei Prokofieff and Francis Poulenc. It describes Prokofieff as a neo-classical, nationalist, and avant-garde composer known for his progressive technique, pulsating rhythms, and melodic directness. Prokofieff was born in Ukraine in 1891 and studied at the St. Petersburg Conservatory, though his early works were criticized. The document also provides brief biographical information about Poulenc and lists some of his major works, describing his style as having a "coolly elegant modernity, tempered by a classical sense of proportion."