sentence: Musicians still argue about which version ought to be played.
sentences_before: When it was published there was nothing in the score which said that Fitzhagen had made lots of changes. It is hard to tell which one Tchaikovsky would have preferred. Maybe he let it be printed because he realized that Fitzhagen had improved it. We cannot tell.
concept_name: musician
headings: Variations on a Rococo Theme Fitzhagen makes changes to the piece
categories: Compositions by Pyotr Ilyich Tchaikovsky Concertos Variations (music)