How do you describe types of music?

[Spexxvet]

Originally Posted by Drax

I don't. Here's my simple musical philosophy: If I sounds good to me, I'll listen to it, whether it's the easiest listening classical opus , or the most brutal death metal.

Let's say you play some death metal for a friend. The friend says that he really likes it, and asks what kind of music it is. You tell him that it's death metal. Your friend asks you how he can tell whether something is death metal, because he wants to buy some for himself. How do you respond?