The big Broadway theatres usually stay dark between major productions. But “to keep the revenue streaming in during the summer, their owners are thinking small, as in the one- and two-month engagements commonly associated with smaller, Off Broadway theaters. This kind of microprogramming can be a smart financial hedge; it can also be risky business. You really have to do sell-out business before you open, because you can’t play catch up – there’s not enough time.”