By Marc Bernardin
Updated December 10, 2007 at 12:00 PM EST

I’ve got no words for this. Honestly. Except to say, Kevin Kline looks impossibly young in this clip taken from a 1982 production of The Pirates of Penzance. And Linda Ronstadt looks barely-legal. But here is Sir Mix-a-lot’s immortal ode to the rump, “Baby Got Back,” redone in the manner of Gilbert & Sullivan.