The song you're about to hear will probably never win a Grammy, but it was recorded entirely on an iPhone using only the equipment that came with the phone - and one very nifty application. FourTrack, from Sonoma Wireworks, is a US$10 iPhone app that brings 4-track audio recording capabilities to the iPhone, including the ability to adjust the volume and pan of each track. Each track is recorded to WAV at CD quality and auto-compressed - and once you're done you can WiFi the results straight to your computer. Apart from a couple of niggles, it's a pretty amazing little songwriting tool that lets you flesh out a tune with harmonies or instrumental tracks when you don't have GarageBand handy.
Read the full article: Gizmag road test: Sonoma Wireworks 4-track recorder for iPhone