Yes, Maria is based on the true story of Greek opera singer Maria Callas, who died of a heart attack in 1977, when she was only 53 years old. Maria imagines the last few days of Callas’s life, in which once the once-great opera singer struggles with a drug addiction, hallucinations, and her declining health.

Netflix U.S. has just added a stirring new biopic starring Oscar-winning performer, Angelina Jolie. "Maria" is the latest effort from Pablo Larraín, and continues his recent run of biographical historical dramas looking at iconic women from the 20th century after 2021's "Spencer" and the Natalie Portman-fronted 2016 biopic, "Jackie".

Angelina Jolie stars as soprano Maria Callas in Pablo Larraín's film "Maria," streaming on Netflix. Here's how she prepared and transformed her voice.

Angelina Jolie really is singing opera in Maria, but it’s not only Jolie’s voice in the final product. The movie blended Jolie’s singing voice with recordings of the real Maria Callas, so the result is a hybrid of both Jolie and Callas’s voice.

The actress stars as Maria Callas in director Pablo Larraín’s leaden portrait of the opera singer on Netflix, primarily set in Paris during her final days.

Angelina Jolie plays Maria Callas as the opera star re-examines her life in her final days in Pablo Larrain's Netflix biopic "Maria."

Angelina Jolie movie Maria, about opera singer Maria Callas, is now streaming on Netflix and could earn the actress another Oscar nomination.