The Piano Guys - really lovely performance. Check out some of their other videos, as well, they're really good! Of course this has nothing to do with maritime interests or tech. It's just neat!
This came to my attention courtesy of Hisham Almiraat, a blogger I follow. You could check him out, too - he's very good, keeps his finger on the pulse of emerging developments in the Arab Spring (soon to be followed, I hope by full Summer and fruitful Fall), and seems like a very intelligent and interesting man. Here's his link on Google+
https://plus.google.com/u/0/108760612798256372986/posts & http://www.almiraat.com/2012/03/piano-guys-best-thing-in-world-this.html
And here's the video: