Lalo Duarte

Lalo Duarte (ex-singer of Los Verdugos) had tried to give shape to a solo project. It was the height of the Onda Chicana, the name was changed to the pseudonym of Rosario (15) y La Libre Expresión. At the same time, he collaborated on some recordings of the [a1775628]. He went to Discos Zave, with whom he signed as La Libre Expresion. In 1972, he decided to dissolve La Libre Expresión, a fact that gave rise to the formation of the Grupo [a3347759].