Donny, it will depend upon the format of the style - most likely they will work on older models, but of course, some of the newer voices only found in the Genos will not play on the older models because those voices do not exist in the older model and cannot be accessed.

Gary cool
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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.)