Alto fagotto, nominal pitch: C

https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~73363~167192/full/,150/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~73959~167193/full/,150/0/default.jpg

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