This Is Spinal Tap is without question one of the funniest comedies of all time. And while some of the fake rock documentary’s best scenes are without music (think of guitarist Nigel Tufnel and his amp that goes to 11, or lead singer David St. Hubbins discussing his namesake, the patron saint of quality footwear), the real genius behind Spinal Tap is their music and the subtlety (or lack thereof) of their lyrics. Parody at its best is as much homage as it is mockery, and the 1980s hair-metal anthems — written by the film’s stars, Michael McKean, Christopher Guest and Harry Shearer — are spot-on. “Hell Hole” is an ode to living in squalor. “Stonehenge” is a send-up of Led Zeppelin’s more rambling songs about Druids and twee British folklore. “Sex Farm” is just what it sounds like. But Spinal Tap’s finest tune might be “Big Bottom,” a love song to ladies carrying extra baggage, featuring arguably its best lyric: “Big bottom drive me out of my mind/ How could I leave this behind?”
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