原文: Allegra e Boris. Hans Werner Henze. Composed by Hans Werner Henze. Viola sheet music. Violin sheet music. Allegra e Boris.
译文: 阿莱格拉和鲍里斯. 汉斯·维尔纳·亨策. 中提琴乐谱. 小提琴乐谱. 阿莱格拉和鲍里斯. Duetto concertante for Violin and Viola Performance Score. 由汉斯·维尔纳·亨策组成. 1926 - . 肖特.