I know on the Barry Weissler episode of Behind the curtain, he talked about a revival of Annie Get Your Gun, so maybe the rights are tied to him, and he let them do the concert at City Centre.
Wasn't The Band Wagon fall production, also spoken about as a "pre-Broadway" production?
I could see some interesting musicals try to come in this season, thinking that Spongebob, Frozen, and Mean Girls will get the kids and teens (I know some 28+ will definitely see those shows too) but something different could try to come in to be something of a more "intellectual" or even low risk nature. Light now, The Band's Visit speaks for the intellectual slot