It actually blows my mind how good Alt-J is. The British foursome burst onto the scene about a month ago, with a sound not unlike Wild Beasts. Still, there's something with a bit more edge here that has been driving the music blogosphere crazy, myself included.
In case you missed our coverage of their album An Awesome Wave, check it here. In the meanwhile, try sitting back and listening to "Tessellate" in all its glory.