interesting, john...wouldn't that be a wonderful touch (Red's son)
i think Doidge would be better at subbing for Rick (God forbid), but would add nice back vox and can play a zillion other instruments
two guys come to mind, based on my dabbling in the past:
*michael francis (was awed by him in one particular studio session)
*wendell ferguson (was awed beside him on stage for one memorable gig)
http://www.youtube.com/user/myraregu...12/KUtlhDuxYOg
the latter would certainly fit the fun stage vibe, he's got a terrific 'Dave' smile
perhaps this Lightfoot machine has had quiet 'understudies' for some time now and they are more prepared than we realize, however while one may possibly prepare for the loss of a guitarist, nobody can fully prepare for the loss of a long time friend