Claim: Audra McDonald appeared on stage in a production of Ragtime.

Audra Ann McDonald -LRB- born July 3 , 1970 -RRB- is an American actress and singer . She has appeared on the stage in both musicals and dramas , such as Ragtime , A Raisin in the Sun , and Porgy and Bess . With her full lyric soprano voice , she maintains an active concert and recording career , performing song cycles and operas as well as performing in concert throughout the U.S. . She has won six Tony Awards , more performance wins than any other actor , and is the only person to win all four acting categories.Best Actress in a Play , Best Actress in a Musical , Best Featured Actress in a Play , and Best Featured Actress in a Musical . She starred as Dr. Naomi Bennett on the ABC television drama Private Practice .