Master Class is a 1995 play by American playwright Terrence McNally, presented as a fictional master class by opera singer Maria Callas near the end of her life, in the 1970s. The play features incidental vocal music by Giuseppe Verdi, Giacomo Puccini, and Vincenzo Bellini. The play opened on Broadway in 1995, with stars Zoe Caldwell and Audra McDonald winning Tony Awards. Best Play at the 50th Tony Awards, June 2, 1996 — hosted by Nathan Lane at Majestic Theatre. Wiki link Wiki link