French Dadaist Marcel Duchamp was an influential figure in the development of 20th century avant-garde, causing a stir with innovations in the visual arts with his sculpture and painting, but he also utilized chance operations in composing. Starting as a painter influenced by fauvism, Duchamp developed a cubist painting style similar to futurism. His most famous painting, Nude Descending a Staircase, No. 2 (1912), featured successive images of a body, giving the impression of movement; the painting was quite controversial at the 1913 Armory Show in N.Y.C. Following this, Ducha...