Walter Silveira, one of the founders of TVDO, a pioneering video company in Brazil, reveals how he conceived the piece VT Preparado, inspired by John Cage and Augusto de Campos. The piece won a prize at the 4th Festival, in 1986. The footage shown here is a part of the 2013 season of the Videobrasil on TV series, celebrating the 30th anniversary of the Festival. The program will air starting on November 18.