
Blue Cheer was an American rock band that initially performed and recorded in the late 1960s and early 1970s and was sporadically active until 2009. Based in San Francisco, Blue Cheer played in a psychedelic blues-rock style, and is also credited as being pioneers of heavy metal (their cover of `Summertime Blues` is sometimes cited as the first .....
Found on
http://en.wikipedia.org/wiki/Blue_Cheer

Blue cheer is American slang for acid (LSD).
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http://www.probertencyclopaedia.com/browse/ZB.HTM
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