-time Tony Award& winner AUDRA MCDONALD (Ragtime. 'Private Practice). Drama Desk nominee NORM LEWIS (Sondheim on Sondheim) and two-time Tony nominee DAVID ALAN GRIER (Race. 'In Living Color). Featuring such legendary songs as Summertime,' -It Ain' t Necessarily So; and -I Got Plenty of Nothing,' PORGY retums to