Short Answer: a Canadian indie rock band who’s latest release, The Suburbs, beat out Eminem and Gaga for the 2011 Grammy for Album of the Year. I adore this band, even if the lead singer does look like a serial killer, and it’s wonderful to see them get any kind of popular exposure and recognition. However, beating the Biebs to a Grammy is something the tweens won’t tolerate, so Arcade Fire’s underdog win prompted a lot of confusion, death threats, and of course, hilarity.
This is best chronicled on a Tumblr site called “Who is Arcade Fire,” which compiles some of the most misguided tweets about the band’s win. The masses were so baffled and irate, though, that eventually indie fans had to come forward and defend one of their own. Please check out the Tumblr. And please, please figure out, in your own personal way, who Arcade Fire is, because if you don't, the hipsters will attack you: