Imagine Dragons

Imagine Dragons are an American alternative rock band from Las Vegas, Nevada that gained exposure after the release of their debut studio album, Night Visions, in September 2012. Since then, they have gone on a world tour, and gained exposure on major late night shows like Jimmy Kimmel and Jay Leno. Billboard magazine listed them as one of "2012's Brightest New Stars", and Rolling Stone magazine called their single "Radioactive" "the biggest rock hit of the year."

source: Wikipedia