 Other notable Nuevo Cancionero artists of this time included Tito Francia, Víctor Heredia, and César Isella, who left the folk music group Los Fronterizos to pursue a solo career.In 1969 he set the poetry of Armando Tejada Gomez to produce "Canción para todos", an anthem later designated by UNESCO the hymn of Latin America.Nuevo cancionero artists were among the approximately 30,000 victims of forced disappearances under Argentina's 1976–1983 military dictatorship.