 Complete the following phrase:  Imagine Dragons has performed Its Time on The Tonight Show with Jay Leno 2012, Jimmy Kimmel Live! 2012, Late Night with Jimmy Fallon 2012, and Co 2013. They performed Radioactive live on Jimmy Kimmel Live! 2012, The Late Show with David Letterman 2013, The Tonight Show with Jay Leno 2013, Late Night with Jimmy Fallon 2013, and the MTV Europe Music Awards 2013. The band has performed I Bet My Life at the 