Claim: Ray Bolger demanded that the producers expand his role, then several rewrites later, de Mille herself was fired and replaced by Burt Shevelove; but only a few days after that, Shevelove exited.
Evidence: Ray Bolger demanded that the producers expand his role; several rewrites later, de Mille herself was fired and replaced by Burt Shevelove. Only a few days after that, Shevelove exited, and "the producers asked Agnes to come back, but only to choreograph."