Opus Cuatro
Opus Cuatro are an Argentine folk vocal quartet founded in La Plata in 1968. The group debuted on 10 July 1968 and become one of the most important vocal groups in Latin America, staying active since then without interruption.
Opus Cuatro are an Argentine folk vocal quartet founded in La Plata in 1968. The group debuted on 10 July 1968 and become one of the most important vocal groups in Latin America, staying active since then without interruption.