The critically acclaimed Broadway musical ``Grey Gardens' played its 307th and final performance on Sunday afternoon. Money manager Edwin Schloss says his 33- year sideline investing in commercial theater closed with the show.

``I felt wounded by the experience,' the balding 57-year- old said over lunch last week, about co-producing the $5 million commercial failure. ``If a serious musical like `Grey Gardens' can't make it, I feel producing quality is an exercise in masochism.'