Cacophony Society
The Cacophony Society is “a randomly gathered network of free spirits united in the pursuit of experiences beyond the pale of mainstream society.” It was started in 1986 by surviving members of the now defunct Suicide Club of San Francisco.
Cacophony could be described as an indirect culture jamming outgrowth of the Dada movement, and the Situationists. One of its central concepts is the Trip to the Zone, or Zone Trip, inspired by the Temporary Autonomous Zone.
According to self-designated members of the Society, “you may already be a member.” The anarchic nature of the Society means that membership is left open-ended and anyone may sponsor an event, though not every idea pitched garners attendance by members. Cacophony events often involve costumes and pranks in public places and sometimes going into places that are generally off limits to the public[citation needed]. Cacophonists have been known to regale Christmas shoppers with improved Christmas carols while dressed as Santa Claus, and later invite strippers to sit on Santa's lap (Santa Rampage).
http://cacophony.org/
http://laughingsquid.com/bad-day-at-black-rock-cacophony-society-zone-trip-4/