It's fun to do, and you can actually get some really nice sounds of it.
Here are some songs I made myself ^^
http://eng.musicshake.com/zb/contest_vi ... r&uid=9570 (<-- My best one)
http://eng.musicshake.com/zb/contest_vi ... r&uid=9206
http://eng.musicshake.com/zb/contest_vi ... &uid=24480
http://eng.musicshake.com/zb/contest_vi ... &uid=24480
Of course, I'd love to hear what you can make with this program. :] It's really fun, so you should surely try it out some time! You can download the client on the left of the page.