Philippine Opera Company will stage (once more) the production of a Tony Award-winning play, MASTERCLASS , about the legendary opera diva Maria Callas. This moving drama depicts the fictional class conducted by Callas at the end of her career for three opera students during which she recounts her long tumultuous life as opera`s grand dame and reveals rare glimpse of her private life as paramour to the billionaire Aristotle Onassis. Starring Philippine Cinema and Theater`s diva, Ms. Cherie Gil in the title role of Maria Callas.  Ticket Prices: P1545 / P1339 / P1030 / P824 / P515. For ticket reservations, call TicketWorld at 891-9999.