Howard's bassoon is a musical instrument that appears in the episode "New Fish in Town."
The bassoon is a woodwind instrument that is in the double reed family, and has its music usually written in bass and tenor clefs, but occasionally can reach the treble clef as well. It is most commonly found in orchestras, ensembles of the wind and chamber variety, and concert bands.
Howard's particular bassoon is colored metallic blue and has a long row of keys with a curved and silver bocal coming out from the body of the instrument.
Role in episode
When Squidward is having a conversation with Howard, the latter mentions that he plays the bassoon. He and Squidward head inside of his trailer where they perform their own instruments together with Squidward using his clarinet.