What's this?
It's a keyboard.
What's this?
It's an accordion.
What is she doing?
She is playing the trumpet.
Can you play the ...?
drums
What is the dog diong?
It's playing the guitar.
What is it doing?
It is playing the saxophone.
What's this?
It's a piano.
What's this?
It's a violin.
What's this?
It's a bass guitar.