Clarinet. Nominal pitch: B♭.

https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~60668~104980/full/,150/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~79116~185611/full/,150/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~76494~185612/full/,150/0/default.jpg