He picked Hoffmann's 1816 fairy tale "The Nutcracker and the Mouse King" as the subject for the new ballet. This story was loved by Russians. He wrote an adaptation of Hoffmann's story based on the Alexandre Dumas translation. He dropped much of the original. Petipa adapted Vsevolozsky's story to the requirements of ballet. Vsevolozsky then pressured Tchaikovsky into writing the music for the ballet. Tchaikovsky did not like the adaptation of Hoffmann's story, but he agreed to write the music.