My husband just gave me a cd by one of my favorite bands. It's They Might Be Giants - http://www.tmbg.com - they are so awesome. My kids love them. Their songs are really right up a kids' alley. For instance, they have a song "No" that goes something like this:

"No means no.
A thousand times no.
No, no, no, no
no no no"

It's about - well, NO.

Or the song about time:

"you're older than you've ever been
and now you're getting older
and now you're getting older
and now you're getting older

You're older than you've ever been
and now you're getting older
and now you're older still."

These guys are just hilarious. And they're going on tour. YIPPEE!!!