Radiohead's critically acclaimed third album OK Computer has now sold more than three million copies in Europe.

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That very same week, Radiohead's "OK Computer" opened at No. 21 with 51, 000 units.

CNN: U.K.'s Radiohead tunes in atop U.S. pop charts

With The Bends and OK Computer entrenched among the great albums of recent years, history seems unsure what to make of Radiohead's subsequent work.

BBC: Radiohead mystery deepens

The album's lone voice comes from a disembodied robot, introduced briefly on the second track, "Vio vorum sma, " more as a narrator than a singer. (Think Radiohead's "Fitter Happier" from OK Computer).

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"Suddenly, things you wouldn't say out loud in conversation are OK to say because you're sitting behind a computer screen, " says Kimberly Kaye, 26, an arts writer in New York.

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