451. Can you relate?

A normal teenager named Nelson,
Got told by his mom "I can tell, son,
You've been smoking and drinking
And probably thinking
Of sex!  You are going to hell, son!"

Since it is December 25th, I think I should test your seasonal musical knowledge:
What well-known Christmas song was first sung by a bunch of apes and orangutans?
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The Little Drummer Boy.........
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>by the Hairy Simian Chorale.