Formerly a sure thing , movie musicals now have sporadic success . It 's scenes like this one , which opens Adam Shankman 's new film `` Rock of Ages , '' based on the rock opera of the same name , that have audiences split on movie musicals . Studios adapt musicals hoping for ` ` Mamma Mia 's '' box office and ` ` Chicago 's '' critical success . Source : Boasting nostalgic rock anthems and ' 80s flair , film will succeed if audiences get the message .
Formerly a sure thing , movie musicals now have sporadic success . Studios adapt musicals hoping for ` ` Mamma Mia 's '' box office and ` ` Chicago 's '' critical success . Source : Boasting nostalgic rock anthems and ' 80s flair , film will succeed if audiences get the message .