You're being cast for your acting ability. It's not based on the way your body functions. If you're playing a lead in a movie, it's for that character and they'll tailor it to you. In a dance company, you have to fit in a definite mold.
“Brenda did some little vocal arrangements for us and she got to sing as well. So, we're happy to be able to work together and that's another reason why we look forward to doing more of these.”