Somehow, “Satisfaction” got faster and faster as we went along. As the end approached, Jeremy and Darren started giving everyone that look that musos give each other when they want to end a song — a look which makes you wonder if they’re about to sneeze. The eyebrows raise, the mouth and eyes open wide, the chin rises higher and higher as the song builds to a crescendo.
— Anthony Griffis in Air Guitar — The True Life and Daggy Times of a Lounge-Room Rock Star, perfectly describing the “now it’s time to end the song” facial expression.