B: The Xylophone

A: sorry the what?

B: The xylophone

A: And what exactly is that?

B: Well, it's, um... well, you hit it, and it makes noise-

A: So its a kind of drum?

B: No, you see its got these strips in rows and they make different sounds when you-

A: So you play the piano?

B: NO! It doesn't have strings, it-

A: Like a trumpet?

B: No trumpet doesn't even start with X!

A: Well neither does 'xylophone' that's obviously 'z'

B: It's spelled with an X

A: Like X-ray?

B: Yes! Thank god-

A: You play the X-ray?!?!

B: NO!! ARGH! For the love of God! *drags in a xylophone*

THIS is a xylophone! It's got strips of wood that make different notes. Can we PLEASE get on with the interview?

A: Ahhh! Yeah I have one of those things. Interesting sound. I prefer the trombone though.

B: The what?