Nominees for the 79th annual Tony Awards are being announced. A selection of categories will be announced beginning at 8:30 A.M. ET on CBS Mornings, followed by the remaining categories announced by Tony nominee Uzo Aduba and Tony winner Darren Criss on the official YouTube channel at 9:00 A.M. ET.

Four musicals have swept the Tony Awards’ so-called “big six” — best musical, best score, best book, best leading actor, best leading actress and best direction: “South Pacific” (1950), “Sweeney Todd: The Demon Barber of Fleet Street” (1979), “Hairspray” (2003) and “The Band’s Visit” (2018).…