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Black Sabbath's appearance on "CSI" is airing tonight.  Ozzy Osbourne, Tony Iommi, and Geezer Butler portray themselves on the CBS drama, which will feature the U.S. premiere of the band's new song "End of the Beginning." 

In a behind-the-scenes promo for the show, "CSI" star Ted Danson, who plays the part of D.B. Russell, says the plot revolves around the hunt for a serial killer, and they have "three guest stars who are equally potentially the bad guy." 

Through "CSI," Black Sabbath is unveiling a second song from their upcoming album, 13.  Last month the band debuted the track "God Is Dead?" in an exclusive radio premiere.  Sabbath's "13" will arrive in stores on June 11th. 

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