I was working on making a version of our library use guidelines and was wanting something a bit more visual. relating to noise level. I also didn't want anything hinting of shushing, despite the numerous pieces of fine shush-themed clip art available. Finally, it was Spinal Tap from whom I drew my inspiration. ADD 3.20.07 Folks have asked if they can use the flyer. Heck yeah! If you fancy it up, I'd love to see it.