Randy: Because the voices saved in reg do appear on the screen (albeit a few seconds), It seems to me that the voices are actually being saved into reg, but that somehow the keyboard (OS glitch or mechanical reg button(?) malfunction switching the voice selections to another (reg button?) setting. Make sure you have the latest OS 1.1 installed. If the problem persists, sounds like the Keyboard may need to be looked at by Yamaha. Good luck. Please keep us posted. - Scott