Imagine Dragons is a musical act.
Imagine Dragons is an American rock band from Las Vegas , Nevada , consisting of lead vocalist Dan Reynolds , lead guitarist Wayne Sermon , bassist Ben McKee , and drummer Daniel Platzman . The band first gained exposure in 2012 with the releases of their debut studio album Night Visions and its first single `` It 's Time '' . Billboard placed them at the top of their `` Year In Rock '' rankings for 2013 , and named them their `` Breakthrough Band of 2013 '' . Rolling Stone named their single `` Radioactive '' from Night Visions the `` biggest rock hit of the year '' , and MTV called them `` the year 's biggest breakout band '' . Smoke + Mirrors is the second studio album by American rock band Imagine Dragons .