Swapping Music

So I was just reading Hayley Williams LJ post about how at the shows in the upcoming tour, they're thinking about doing this thing where you bring a cd of your favorite songs, put it in a bucket when you walk in, and then when you're leaving you can take a cd back out of the bucket. It's a way to help people discover new music. I'm really excited for it, for some reason. I need to figure out what songs to put on mine!