Originale: Tchaikovsky, Piotr Ilitch. Orchestra, Voice. Violas. The Nutcracker. ballet. Op.71. Tchaikovsky, Piotr Ilitch. Act I, No.1.
Traduzione: Viole. Lo Schiaccianoci. Contents, Instrumentation, and Overture. Atto I, n ° 1. The Christmas Tree. Atto I, No.2.