Conversation so far:
What is Lady Day?
McDonald played Billie Holiday on Broadway in the play Lady Day at Emerson's Bar and Grill.
Was she recognized for this role?
McDonald won the Tony Award for Best Performance by an Actress in a Leading Role in a Play for this role.
What other awards did she receive?
the first person to earn six Tony Award wins for acting (not counting honorary awards) and the first person to win a Tony Award in all four acting categories.

Question: What else is significant about this feature?
Self-contained rewrite: What else is significant about Audra McDonald, besides being the first person to earn six Tony Award wins for acting?