this band was founded in 1965 in Guadalajara by Pepe Martínez (Barajas) and his brother Fernando. At the end of the 1960s and into the 70s they toured various countries such as Colombia, the USA, and Spain. They have made more than 54 disks (LPs), embracing all genres. Members of the group have included: Pepe Martínez Fernando Martínez Juan Gudiño José Batista Alvaro Raynoso Francisco Valdez Juan González Juan Elías Gragorio Ramírez Julio Rodríguez