[1]I'm doing research on the early practices of remixing and came across this gem from the late 19th century, by Eugène Bataille a member of an art group called "les incoherènts" [1] which I had never heard of, quite frankly. Yet they did many of the things that later the dadaist and surealists would do, a full generation earlier.
Links:
[1] http://www.heyokamagazine.com/HEYOKA.3.INCOHERANTS.htm
[2] http://felix.openflows.com/taxonomy/term/16
[3] http://felix.openflows.com/taxonomy/term/12