And, here's one Don Mason challenged me with about a year ago: https://app.box.com/s/21ym6jtzjshzc72lbzw0

Unfortunately, I don't remember the author.

Gary cool
_________________________
PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)