You should either change the way you get random clouds or increase your database. I got a bunch of repeats in very few clicks. If you do it the way that iTunes

You should either change the way you get random clouds or increase your database. I got a bunch of repeats in very few clicks. If you do it the way that iTunes comes up with a shuffle list, for instance, by creating a randomly seeded list when someone opens the site, you'd prevent the repeats.