sentences:  In the 1960s, Jara started specializing in folk music and sang at Santiago's La Peña de Los Parra, owned by Ángel Parra.Through these activities, he became involved in the Nueva Canción movement of Latin American folk music.He released his first album, "Canto a lo humano", in 1966, and by 1970, he had left his theater work in favor of a career in music.