Imagine Dragons played in New York City's Central Park for the Good Morning America Concert Series yesterday. Check out the full video above of "Radioactive", "Demons", and "Top of the World".
Before the band played, the host said that "Radioactive" has already sold over 4 million copies. Pretty impressive for the bro-step alt-rocker.
Sadly, the performance is played along to a pre-recorded version of the song which means that this isn't truly a live performance. It isn't entirely lip-synced, but actually a hybrid of live and pre-recorded. It's especially obvious during the chorus of "Radioactive". This is very common for televised live appearances by bands, but pretty lame and boring for people who actually like live music and can tell the difference.