Daniel Alberto Viglietti Indart (born 24 July 1939, Montevideo) is an Uruguayan folk singer, guitarist, composer, and political activist. He is one of the main exponents of Uruguayan popular song and also of the Nueva Canción or "New Song" of the 1960s and early 1970s.
From a collection of over 100 posters collected in the 1970s at the University of Wisconsin, Madison.