原文: Gradus ad Symphoniam Intermediate Level Vol.2 - Sinfonietta. After the sonata for piano four-hands K381. Intermediate.
译文: 莫扎特. 低音提琴乐谱. 中间. Gradus ad Symphoniam Intermediate Level Vol.2 - Sinfonietta composed by Wolfgang Amadeus Mozart. 1756-1791. 弦乐队. 对于字符串.