Clarinet. Nominal pitch: A.

https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~80365~186749/full/,150/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~79035~186751/full/,150/0/default.jpg