<http://schema.org/description>
"The first glimmer of multimedia spectacle was the light show, which originated in San Francisco during the early and mid-'60s hippie scene. As LSD was abundant and still legal in California in 1966, Ken Kesey and his followers took full advantage and traveled across the United States and Mexico conducting \"acid tests,\" advocating LSD as a mind-expanding tool."^^<http://www.w3.org/2001/XMLSchema#string>
<http://archives.sfweekly.com/sanfrancisco/pre-multimedia-the-light-show/Content?oid=2136237>