Stamitz, Carl Philipp
Sestetto per il Viola da Gamba, Violino, Viola, 2 corni, è violoncello in E flat major
D-SWl mus. 5244; D-B (coll. Klingenberg)
The viola da gamba part is notated in D, one semitone below the others, probably to allow it to be played with greater string tension.