美狂乱 (Bi Kyo Ran, Bikyouran) is a progressive rock band from Japan which began in 1973. They gained some attention recently when they performed the soundtrack to Cromartie High School (under the pseudonym of Bikyoran). They also performed the ending theme for the show (entitled "Trust Me"); however the opening theme was by Yoshida Takuro (吉田拓郎). They have released two live albums consisting of King Crimson covers, and some of their own songs have similar titles ("Vision Of The City", "21st Century Africa").

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