The Incredible Gary Larson! Please search for "Raymond's last day as the band's sound technician" if the link is broken.
A couple of moderately amusing Candlemass ones for my fellow Metalheads on the SHMF. The GIF is culled from this video:
An ad from the 70s for some Sony hi-fi components. Brilliant. "It's like having Keith Moon in the room. Only safer."