Smule’s new iPhone app, Ocarina turns your iPhone into a fully-functional musical wind instrument. This amazing little application works very much like the real deal, combining touch, tilt, gestures and human breath to create ethereal sounds which bring out your inner Zelda.

Just place your fingers over four virtual “holes” on the multi-touch screen, and blow into your iPhone’s microphone. What’s really cool about the software is that none of the sounds are pre-generated, rather they’re built in real-time based on your exact gestures and movements.

Check out the performance videos below to see and hear Ocarina in action. First, a solo:

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Now, a full orchestra of iPhone Ocarinas playing a little Led Zeppelin:

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As you play, you can share your performances live with other Ocarina users across the globe (and let them rate your musicianship), thanks to Smule’s Sonic Network technology. Smule has even provided a nifty online score generator which makes it easy to play just about any tune you want.

Sound cool? What are you waiting for? You can get Ocarina today over at the iTunes App Store for just 99 cents.

Anything that’s described as a “mesmerizing playable fairy flute” is sure to get the ladies lining up at your doorstep. Why, look at this enchanting fellow playing his ocarina. Have you ever seen anything sexier? *swoon*

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The ocarina is made from glazed earthenware, which I found surprising because it kind of looks like plastic in the photos. It boasts 6 holes and comes with a songbook of your favorite Legend of Zelda tunes. Of course, that assumes you know how to read music for a fictional instrument, but frankly if you’d burn 40 bucks on one of these, that’s probably the least of your worries.

You can buy one for $39.99 at ThinkGeek.