Conversation so far:
What Role did Audra play at Lady Day?
McDonald played Billie Holiday on Broadway in the play Lady Day at Emerson's Bar and Grill in a limited engagement that ended on August 10, 2014.
Did she have to audition for the role?
CANNOTANSWER.
Who else was in the play with her?
CANNOTANSWER.
Was Billie Holiday the Lead Role in the play?
McDonald won the Tony Award for Best Performance by an Actress in a Leading Role in a Play for this role.

Question: How long did she play this part?
Self-contained rewrite: How long did Audra McDonald played Billie Holiday in Lady Day?