Original: Tchaikovsky, Piotr Ilitch. Pas de Deux, Variations, and Coda. The Nutcracker. ballet. Op.71. Tchaikovsky, Piotr Ilitch. Act I, No.1.
Oversettelse: Nøtteknekkeren. Orchestra, Voice. Contents, Instrumentation, and Overture. The Christmas Tree. Act I, nr. 2.