"Nunca Voy a Olvidarte" is a song written by Roberto Belester and first recorded by Mexican grupero band Bronco for their album Salvaje y Tierno (1991). In the song, the protagonist is leaving and vows to never forget the time he spent with his lover. In 1993, Mexican singer-songwriter Cristian Castro covered the song on his album, Un Segundo en el Tiempo. Castro's version peaked at number-one on the Billboard Hot Latin Songs chart in the United States became his first number-one single.

Cristian Sáinz Castro is a Mexican pop singer. He is the son of actors Verónica Castro and Manuel "El Loco" Valdés, and nephew of actors Ramón Valdés and Germán "Tin-Tan" Valdés. Castro has sold over 10 million copies, making him one of the best-selling Latin music artists of all-time.