Rachmaninoff doesnt count. He was a Russian culture-traitor to the pro-Putins here as he fled the Russian revolution. He died in Beverley Hills CA.
“Russian refinery?? You don’t say!”
https://freerepublic.com/focus/f-chat/4223838/posts?page=27#27
https://www.youtube.com/watch?v=JDSPwexlyTo