Currently, none. My keyboard's still in the hospital.

Prior to that, just one hour or two at most per day, every day, mostly learning new songs, and trying to get my voice back. I managed to learn some new songs, but not much success with the voice, though.
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.)