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
Veritables Preludes flasques (pour un chien) dominate Western music during the nineteen-twenties." The "Véritables Préludes flasques (pour un chien)" represents Satie's determination to reconcile his belated education at the Schola Cantorum in Paris under Vincent d'Indy (1905-1912) with his own natural sense of wit and fantasy. It was in fact his second attempt at creating a composition on a canine theme, an idea that had long obsessed him. In July 1912 Satie composed his piano suite "Préludes flasques (pour un chien)", but after it was rejected for publication by the Durand firm he informed his protégé Alexis Roland-Manuel that he was going to rewrite it from