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
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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.)