Roach may go down in history as the most psychotic “Idol” hopeful of all time. The unstable singer took to the Season 4 audition stage eager to show off her style, which she described as “pop-rock meets Broadway meets jazz and R&B." She then stunned the judges with a version of “I Feel the Earth Move” that looked and sounded like a mean-spirited “SNL” parody. She described her performance as “not too shabby,” while Simon characterized it “one of the worst I ever heard in my life.” Things went downhill from there. After discussing the multiple voices in her head, Roach stormed off the set and issued an expletive-laden diatribe to Cowell and guest judge Mark McGrath. -Jeff Royer
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