Motorcycle MusingsMusingsVideo Riding the Squirrel By Doug Thompson - May 14, 2012 0 737 Facebook Twitter Google+ Pinterest WhatsApp Take a quick ride down Squirrel Spur, as seen from the seat of my Harley FXD. The song, “Thunder Road,” is sung by the late, great tough-guy actor actor Robert Mitchum, who starred in the movie of the same name.