1up for Witkacy! The Polish artist created a portrait firm in 1925 with a motto Motto: "The customer must be satisfied. Misunderstandings are ruled out". It operated according to a set of strict rules: "On arrival at the S.I. Witkiewicz Portrait Painting Firm, their portrait will be drawn according to the strict rules of the firm which they will read in advance". One of the offerings was drawing under influence, the influence (from coffee to peyote) dutifully noted on the portrait in chemical symbols.

http://witkiewiczfringe.wordpress.com/about describes Witkacy's enterprise well, lined to what looks like a happening reconstructing it. I'm not certain that the rules are original but they sound so and are fun to read either way: http://witkiewiczfringe.wordpress.com/the-rules-of-the-s-i-w...