I need to watch it again, and take notes. I think I got lost with all those Russian names (I'm visual, and lose track of story lines pretty easily).
But I do recall the movie was very beautiful cinema. The only line I remember was during the piano recital, the man is bored and tells his date (wife?) he is going out for a smoke (drink?). She says "But this is genius!" and he replies, "Oh, I thought it was Rachmaninoff" !
Now I love Rachmaninoff, so I don't relate from that angle, but I thought it was a funny line from someone who didn't appreciate Rachmaninoff. Especially in such a serious movie.