Yes, there is plenty of hard work for them in addition to that which they do when they appear, smiling and happy, when the curtain goes up. Giving a performance is the least of their worries.
Florenz ZiegfeldIt is the task of several months and it is a fact that a girl, either while rehearsing or actually playing, may be training for some character or feature in some future production not yet definitely fixed even in my own mind.
Florenz Ziegfeld