原文: 30 Preparatory Vocalises. Composed by G.B. Lamperti. Soprano Voice sheet music. Voice Solo sheet music. 30 Preparatory Vocalises.
译文: 30筹备Vocalises. A collection of vocal exercises arranged for Soprano voice, composed by G.B. Lamperti. 女高音声乐谱. 独唱乐谱. 30筹备Vocalises.