Oorspronklik: Vocal Exercises. The Ultimate Collection. Version 2.0. Various. Voice sheet music. Vocal Exercises. The Ultimate Collection. Version 2.0.
Vertaling: Stemoefeninge. Bariton of bas. Bariton of bas. 24 Vocalises vir Alto, bariton, bas, Op. 81, Book 1. Weergawe 2.0.