Human: What is the difference between Eugene Loring's "Billy the Kid" and Agnes de Mille's "Rodeo"? Assistant: 
Loring's most popular choreographed work, "Billy the Kid", is sometimes compared with Agnes de Mille's later "Rodeo". Like "Rodeo", "Billy the Kid" has a score by Aaron Copland and draws on the mythology of the American West. However unlike de Mille's ballet, "Billy the Kid" offers a bleak vision of the frontier, with a protagonist more fittingly characterized, according to