Gershwin: 1933 seats
Majestic: 1700 seats
New Amsterdam: 1702 seats
Broadway: 1752 seats
New York State Theatre: 2755 seats
Metropolitan Opera: 3800 seats plus 195 standing room
I don't think the size of the house was the problem. The Broadway was well suited to the nature of the piece. Opera by its nature is not meant to run eight shows a week. It was a valiant effort, but not a sound business decision.
"When you're a gay man, you have to feel good about yourself when a urologist says, "Yeah. I pick you". - Happy Endings