I'm just going by what I heard, Donny. It may have nothing to do with the harmonizer itself, but as I stated, maybe it was his singing technique, or possibly the settings he used.

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.)