Clarinet. Nominal pitch: A.

https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~80287~188538/full/,150/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~78965~188539/full/,150/0/default.jpg