I once had a friend in an experimental jazz group. When asked what instrument he played, he replied, "It's not that kind of band."

That's the vibe behind the answer to our Weird Animal Question of the Week. People have varying ideas about what music is and, it turns out, some animals do too. 

Our question comes via Facebook from Victoria Lawrence, whose eight-month-old son Atticus seems to bounce to a beat. She wrote: "It made me wonder: How easy is it to understand music and at what capacity do other animals understand it ...?"

Basically, how animals react to tunes "depends on what we mean by music," says Charles Snowdon, a psychologist at the University of Wisconsin-Madison who studies animal behavior.

Human