#1
How many bands here have guitar and/or electric bass players in your pits? In addition to sax, I play both guitar and bass, and it's awesome when they're properly used in pit section. I've seen basses, but never guitars, and couldn't help but be curious.
#3
the guitar calls too much attention to itself in the pit. Usually leave it out unless you are doing a specific style of music that guitar naturally blends with.