Mundos Opuestos (English: "Opposite worlds") is the second studio album by American Latin pop duo Ha*Ash. The album was produced by Áureo Baqueiro. Four singles were released from the album. 　　Four singles were released from Mundos Opuestos. "Amor a Medias" was released as the lead single in June 2005. The following singles, "Me Entrego a Ti", "¿Qué Hago Yo?" a are composition of the Colombian-american singer Soraya and "Tu Mirada en Mi" is a composition of the Peruvian singer-songwriter Gianmarco. The album features a cover of the song from 1935 "I Want to Be a Cowboy's Sweetheart".