Gualberto Castro (1934-2019) was an iconic Mexican singer and television host remembered for his versatile performances and contributions to the Latin music scene. Born in Mexico City, Castro began his journey in entertainment as a child in the group "Los Panchitos", which specialized in performing Spanish versions of American hits. His career spanned several decades, during which he became widely known for his rich tenor voice and his ability to traverse various genres including romantic ballads, bolero, and traditional Mexican music.

Throughout his illustrious career, Gualberto Castro was associated with the renowned musical group "Los Hermanos Castro" ("The Castro Brothers"), where he performed alongside his cousins. In his solo work, he achieved tremendous success and was especially revered for his interpretation of romantic songs—a genre that resonated well with his passionate vocal delivery. His significant contributions to music are exemplified by his numerous releases, among which "Herencia Romántica" and "El Último Romántico" stand out as testaments to his mastery of the romantic style. The albums "Gualberto Castro" and "25 Exitos" offer a comprehensive look at the breadth of his talent, cementing his legacy as a beloved figure in Latin American music culture.