Knife

You know your song is really popular when everyone starts remixing it and all the remixes are amazing! Grizzly Bear is a band from Brooklyn consisting of Daniel Rossen (songwriting/guitar), Ed Droste (songwriting/guitar), Chris Taylor (clarinet/production) and Christopher Bear (drums). Their song Knife was released on the album Yellow House in 2006.

Girl Talk's remix is a little more hip hop:
Knife Girl Talk Remix (from blogsarefordogs)

The Born Ruffian's remix is a little more pop:
Knife Born Ruffians (from iguessimfloating)

But of course, we always like the originial:
VIDEO: Knife- Grizzly Bear