Ballet may also refer to a ballet dance work, which consists of the choreography and music for a ballet production. A well-known example of this is The Nutcracker, a two-act ballet that was originally choreographed by Marius Petipa and Lev Ivanov with a music score by Pyotr Ilyich Tchaikovsky.Ballet dance works are choreographed and performed by trained artists. well-known example of this is The Nutcracker, a two-act ballet that was originally choreographed by Marius Petipa and Lev Ivanov with a music score by Pyotr Ilyich Tchaikovsky. Ballet dance works are choreographed and performed by trained artists.