And, here's one Don Mason challenged me with about a year ago:
https://app.box.com/s/21ym6jtzjshzc72lbzw0Unfortunately, I don't remember the author.
Gary
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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.)