Portrayal of Barenboim
I liked this movie a lot, but I don't think it's quite fair to Barenboim.
The impression I got when I saw the movie originally (reconfirmed watching the DVD recently) was that Barenboim fairly quickly gave up on Jackie after she was diagnosed, and moved on. We see him in Paris, with a child. Jackie asks about the baby's crying -- clearly she does not know he has a new relationship. He hangs up on her, unable to tell her the truth.
n fact, many years were telescoped -- her playing started declining in 1971 and she retired in 1973. But she didn't die until 1987 & Barenboim didn't establish his relationship with Elena Baskirova, with whom he had two sons, until the 1980's. (Daniel and Elena married in 1988 after Jackie's death.
Other accounts I have read indicate that, even after he entered the relationship with Elena, he remained devoted to Jacqueline & took care of her until she died.
Based on what he's done throughout the rest of his life, especially his efforts to bring about better relationships between Palestinians and Israelis though his music, he seems to be a caring person of serious humanitarian impulses, not the rather shallow and self-centered man portrayed in the film.