To the generations of opera singers that came after her, she’s still an era-defining consummate artist. “She’s an icon. There’s no other way to put it,” said bass Morris Robinson, who recently sang the role of Ramfis in “Aida” with Boston Lyric Opera.

Following "Jackie" and "Spencer," director Pablo Larraín’s film is the third chapter of his trilogy about famous 20th-century women held captive by their celebrity. WBUR critic Sean Burns writes, "It’s finally a role that’s the right size for its star,