Enrico Castellani, Spartito, 1969, Sheets of paper, wood, 13 3/4 x 31 1/2 x 14 9/16 inches (35 x 80 x 37 cm) Collection of the artist. © 2014 Artists Rights Society (ARS), New York /SIAE, Rome. Photo Credit: Courtesy Archivio Castellani, Milan.