Make a question with "what".
What is the cat playing? It is playing the guitar.
Make a question with "what".
What is he playing? He is playing the cello.
What musical instrument is it?
It is a tambourine.
What musical instrument is it?
It is a violin.
Make a sentence.
She is playing the flute.
Make a sentence with "fife".
The student is playing the fife. / It is a fife.
What musical instrument is it?
It is the drum.
Make a question with "what".
What is the bear playing? It is playing the horn.
What musical instrument is it?
It is a trumpet.
What are they playing?
They are playing the piano.
What musical instrument is it?
It is an electric guitar.