What musical are The Jets and Sharks in?

The Jets and the Sharks are two rival gangs in the musical West Side Story. The musical is set in the Upper West Side of Manhattan in the mid-1950s. The Jets are a white gang, while the Sharks are a Puerto Rican gang. The musical tells the story of the conflict between the two gangs, and the love story between Tony, a member of the Jets, and Maria, a member of the Sharks.