Coolest iPhone app!

Okay, I thought Shazam was pretty cool (and it is), but this new app for the iPhone has taken it's place as the coolest app I've ever seen. Ocarina is a musical instrument for your iPhone! Here is a clip of me attempting (very poorly) to play Amazing Grace on my iPhone Ocarina instrument:

I'll practice more when I have more time and try and make a better video. This video was taken after playing with it for about 5 minutes...