I'm not sure about his other shows, but Greg Jbara is very rarely out of DRS. He's had a couple of planned vacations, and some missed days to do things like QVC or a recording, but I think, I'm not positive, that he hasn't missed anymore than those days.
"If there was a Mount Rushmore for Broadway scores, "West Side Story" would be front and center. It snaps, it crackles it pops! It surges with a roar, its energy and sheer life undiminished by the years" - NYPost reviewer Elisabeth Vincentelli