Frogman, I'm glad you're back; you left us hanging in the air for the longest. As you can tell by my last post, I had ran out of things to talk about; I hope you found it humerus.
The "doubler" I saw was truly incredible, Leersfool referred to him as a "sight reader". Since he was most certainly both, there's no conflict. His skills were beyond my comprehension; if I hadn't seen it I would not have believed it; but a long time ago, an older jazz aficionado who had been everywhere and done everything told me that "pit musicians" were the greatest of them all, now I can believe that.
Thanks for your enlightening contribution.
Enjoy the music.