Original: Tchaikovsky, Piotr Ilitch. Children's Galop and Entrance of the Parents. The Nutcracker. ballet. Op.71. Tchaikovsky, Piotr Ilitch.
Traducción: O Quebra-Nozes. Orquestra, Voz. Contents, Instrumentation, and Overture. Ato I, n º 1. The Christmas Tree. Ato I, No.2.