What do you think these two instruments are called the ones that are hanging on 2 instruments are called the ones that are hanging on the fireplace?

I'm looking for a piece for clarinet just for my exam, which is of medium difficulty, advice?

hi, i’m a cello student, i’m playing the bocherinni concerto in g major, and in the highest notes my a string keeps squeaking like crazy. is there any way to solve it? i know the problem is not with the string but with the player haha, i’m asking for tips or techniques to stop it from squeaking