Original: Tchaikovsky, Piotr Ilitch. Swan Lake - 1st Theme. Op. 20a. Tchaikovsky, Piotr Ilitch. Cello, Piano. Christopherson, Anne Copyright.
Traducere: Ceaikovski, Piotr Ilitch. Lacul lebedelor - Tema 1. Ceaikovski, Piotr Ilitch. Violoncel, pian. Christopherson, Anne Drepturi de autor.