I honestly have no idea how I stumbled across the Ocarina iPhone application last night, but I’m breathless—literally!

Ocarina lets you turn your iPhone into a high-tech pan flute of sorts. It’s one of the most beautiful applications of technology I’ve seen in a long time. And it costs only 99 cents.

In the past 12 hours, I’ve discovered a whole subculture of Ocarina afficionados. Here’s my favorite YouTube video (so far).