Experimental film shorts. Fernand Léger, Dudley Murphy, and Man Ray created the film "Ballet Mécanique" (1924), sometimes described as Dadaist, Cubist, or Futurist. Duchamp created the abstract film "Anémic Cinéma" (1926). Alberto Cavalcanti directed "Rien que les heures" (1926), Walter Ruttmann directed "" (1927), and Dziga Vertov filmed "Man With a Movie Camera" (1929), experimental "city symphonies" of Paris, Berlin, and Kiev, respectively. The most famous experimental film is generally considered to be Luis Buñuel and Salvador Dalí's "Un chien andalou" (1929). Hans Richter's animated shorts, Oskar Fischinger's abstract films, and Len Lye's GPO films would be excellent examples of more abstract
Préludes flasques (pour un chien) Barrel"), a title Debussy found so offensive that Satie changed it to "Avec camaraderie" ("With Friendship"). He may already have been dissatisfied with the work as it stood. After publisher E. Demets rejected the score in the first week of August, Satie told his protégé Alexis Roland-Manuel, "I am going to destroy the "Préludes flasques", and begin anew." He followed through on the second part of this statement with the "Véritables préludes flasques (pour un chien)", which he completed by August 23 and successfully sold to Demets in September. In his 1948 biography of Satie, Rollo H. Myers cited Roland-Manuel