Manila — Painter Celeste Lecaroz returns with "Many Marias: Callas by Lecaroz," a new cycle of five paintings and four pen-and-ink drawings on the operatic soprano Maria Callas, opening May 15 at the Carlos P. Romulo Auditorium Lobby, RCBC Tower, Makati. The exhibition runs through May 30 in conjunction with the Philippine Opera Company’s production of Terrence McNally’s Tony Award-winning play Master Class, with Menchu Lauchengco-Yulo in the title role.