In June 1971, the Bolivar state native singers and musicians Mauricio Castro Rodríguez (countertenor and drums), Hernán Gamboa (tenor and cuatro player), Iván Pérez Rossi (baritone and second cuatro player) and César Pérez Rossi (bass and drums) who were already experienced in playing and singing in other musical groups, met to sing together informally with some friends at the house of the then-governor, Manuel Guarrido.
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This double album entitled "Una Amistad de 25 Años" (A 25 Year Friendship) had contributions by well known Venezuelan artists such as María Teresa Chacín, Cheo Hurtado, Simón Díaz, Gualberto Ibarreto, Vidal Colmenares, Ismael Querales, and the gaita zuliana singers Ricardo Cepeda and Abdenago "Neguito" Borjas.
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They accepted and decided to record it with a local group led by the veteran musician and composer Carmito Gamboa (father of Hernán Gamboa), including players of the mandolin, violin, accordion and the Venezuelan cuatro (played by Hernán Gamboa), with the voices of the four young singers standing out.
Hurtado has shared scenarios with other great artists such as Alirio Diaz, Aldemaro Romero, Paquito D’Rivera, Oscar D'León, Simón Díaz, Béla Fleck, Serenata Guayanesa, Soledad Bravo, Lilia Vera and María Teresa Chacín, among others.