As soon as this video was posted, it went viral, and it's easy to see why.  Nothing better than a group of precocious little scamps paying homage to the Prince of Darkness.

 

This video eventually made its way to Ozzy himself, and he was so impressed, he donated $10,000 to the group: The Louisville Leopard Percussionists, a performing ensemble consisting of more than 60 students, ages 7-14.  He even included a note with the check that said, "Myself, my whole family, and my fans all loved your rendition of 'Crazy Train'."

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