Roots of Hermanos Gutiérrez

Julio Alfredo Jaramillo Laurido was an Ecuadorian singer and recording artist who performed throughout Latin America. He achieved widespread fame for his renditions of boleros, valses, pasillos, tangos, and rancheras. Throughout his career, he recorded more than 2,200 songs. His signature song, "Nuestro Juramento," remains popular across South America. He is regarded as one of Ecuador's most beloved singers.

Gustavo Alfredo Santaolalla is an Argentine composer, record producer and musician. He is the recipient of numerous accolades for his works, including two Academy Awards for Best Original Score, a Golden Globe, two Grammy Awards and 17 Latin Grammy Awards. He is known for his minimalist approach to composing and for his influence in the Latin rock music genre.