iPhone musical instruments

Apple recently announced the new iPhone SDK (software development kit) for third party application developers. Of course third party applications have been available for jailbroken iPhones for some time now among which were some virtual instruments. The Japanese band Denki Groove used only those virtual instruments on their iPhones en iPods Touch to create their own version of Smoky Bubbles as the video below shows. For a link to the software the band uses see the GeekAlert page.