Prokoviev also wrote the score to the movie Ivan Grosny by Sergey Eisenstein (The Battleship Potemkin), the first part of which is portraying the csar unifying

Prokoviev also wrote the score to the movie Ivan Grosny by Sergey Eisenstein (The Battleship Potemkin), the first part of which is portraying the csar unifying Russian clans and became one of Stalin's favourite movies, while the second part describing the csar's mental decline and general degeneration was forbidden by Stalin.