Ric Parnell has sadly passed away at the age of 70. The musician played Spinal Tap drummer Mick Shrimpton in the 1984 mockumentary “This Is Spinal Tap” and later took on the role of his “brother” Ric Shrimpton after Mick “died” of spontaneous combustion. Parnell also performed in Atomic Rooster in the early 1970s. Radio…