The Devil's Interval

Dr. X sends this from an anonymous re-mailer in Benin:

"The drummers get the bad press, but the devil's in the intervals, as this BBC report explains. I have made a note to ensure my children are not exposed to the dark influence of West Side Story. Note also, one of the finest picture captions in history: '[Black] Sabbath's Tony Iommi was not attempting to invoke the devil.' Can't imagine where we ever got the idea he was. Additional information here."