The DeCastro Sisters were a Cuban-American trio known for their harmony vocal style and Latin-infused pop music in the 1950s. Consisting of sisters Peggy, Cherie, and Babette DeCastro, they achieved notable success with their hit single "Teach Me Tonight," which reached number two on the Billboard charts in 1954. The group's distinctive blend of Latin rhythms and American pop was influential in the development of the Latin pop genre. The DeCastro Sisters' unique sound and cross-cultural appeal have left a lasting imprint on the evolution of popular music.