What determines how long a play or musical will run on broadway

the average run of an original musical is only 331 performances, about half of the adaptation average. Of the original musicals produced in the last 30 years, 30% were open for less than a month. 7 of those musicals closed in one week or less.

The average run of an original musical is only 331 performances, about half of the adaptation average. Of the original musicals produced in the last 30 years, 30% were open for less than a month. 7 of those musicals closed in one week or less