原文: Two Trios in E-flat major and B-flat major, H. 377-378 for 2 Violas and Bass. Viola sheet music. Edited by Kenneth Martinson. This edition.
翻訳: Two Trios in E-flat major and B-flat major, H. 377-378 for 2 Violas and Bass composed by Florian Gassmann. ヴィオラ楽譜. このエディション.