A collection of original words, music and tone poems by some visionaries from the earliest part of last century including Marcel Duchamp, Jean Cocteau, Luigi Russolo, Antonio Russolo, Filippo Tommaso Marinetti, Luigi Grandi, Wyndham Lewis, Guillaume Apollinaire, Tristan Tzara, Marcel Janco, Richard Huelsenbeck, and Kurt Schwitters. A fully interesting historical document!