Marcel Duchamp the Broken Arm", followed soon after. His "Fountain", a urinal signed with the pseudonym "R. Mutt", shocked the art world in 1917. "Fountain" was selected in 2004 as "the most influential artwork of the 20th century" by 500 renowned artists and historians. In 1919, Duchamp made a parody of the "Mona Lisa" by adorning a cheap reproduction of the painting with a mustache and goatee. To this he added the inscription "L.H.O.O.Q.", a phonetic game which, when read out loud in French quickly sounds like ""Elle a chaud au cul"". This can be translated as "She has a hot ass,"
Marcel Duchamp of numbered balls. These pieces predate John Cage's "Music of Changes" (1951), which is often considered the first modern piece to be conceived largely through random procedures. In 1968, Duchamp and John Cage appeared together at a concert entitled "Reunion", playing a game of chess and composing Aleatoric music by triggering a series of photoelectric cells underneath the chessboard. "Rrose Sélavy", also spelled Rose Sélavy, was one of Duchamp's pseudonyms. The name, a pun, sounds like the French phrase "Eros, c'est la vie", which may be translated as "Eros, such is life." It has also been read as "arroser la