05:16 AM EDT 03/19/2015
Originally posted 03/03/2014 01:00PM
Christopher Guest, Michael McKean and Harry Shearer's iconic This Is Spinal Tap turns 30 years old this week. The question "Which band inspired Spinal Tap?" is a complicated one, and the easiest response is probably a few. However, there have been some solid answers given over the years. Take a look.
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