Question

What instrument plays the melody in this excerpt from prokofiev's peter and the wolf? :18?

Answer 1

The instrument played in the excerpt from Prolofiev's Peter and the Wolf : 18 is Clarinet.     Clarinet is single-reed woodwind instrument used orchestrally.  It is consist of a closed cylindrical air column with a bell-shaped opening at one end.  The mouthpiece holds a single reed, in contrast to the double reed of the oboe family. It is typically constructed of wood.