W. A. Mozart: Sinfonia Concertante for Violin, Viola and Orchestra in E flat, K. 364
莫札特：为小提琴与中提琴的交响协奏曲，作品K。 364。
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Musically, this was a period of outstanding creativity which saw the production of many of his best known symphonic, concertante and operatic works, and his final, incomplete Requiem.