Copes played a part in the worldwide revival of tango as a dance form after 1970.Totango The reintroduction of democracy to Argentina led to a renaissance in Argentine Tango in which Copes and Nieves were leading figures. Copes taught the style, which was later known as the "estilo Copes-Nieves," to many dancers and his pupils included Robert Duvall, Julio Bocca, Eleonora Cassano, Mikhail Baryshnikov and Liza Minnelli. He also taught some of the dance instructors of the Fred Astaire Dance Studios.
