TuneShell is the best music player for your iPhone & iPod, check it out on the App Store today!
http://itunes.apple.com/app/tuneshell-free/id557834548?mt=8
http://itunes.apple.com/app/tuneshell/id421381962?mt=8
More info about MilkDrop music visualizer:
http://www.youtube.com/watch?v=qR8qQ4A09nE
