He is known primarily for his symphonies and ballet music, although he also wrote some wonderful chamber music as well. Prokofiev wrote both the words and the music for "Peter and the Wolf" in 1936 at the suggestion of a woman who was director of the Moscow Children's Theatre at the time. The two of them brainstormed about the kind of story they wanted to present to children as a way of familiarizing them with some of the instruments of the orchestra. They decided to find images that would easily be associated with the different instruments, and the first was the representation of a little bird by the flute. The full cast includes: