several comments here make me remember earlier posts about being at Winfield (Flat-pick championships)30 years ago. I watched thru binoculars Doc Watson, Norman Blake, Tony Rice and Dan Crary playing together,,,but ONLY Doc kept his fingers to minimum height...I guess not being able to see forced him to not get too far from his next note!

here's one of the threads I mentioned this on about a year and a half ago