coup de main - noun
kü-də-ˈmaⁿ
Definition of coup de main : an attack that achieves complete surprise.

Watch: Twenty One Pilots’ 2016 iHeartRadio Music Festival set.

Honoured as "the biggest breakout band this year", Twenty One Pilots recently performed at the 2016 iHeartRadio Music Festival in Paradise, Nevada, opening their set with 'Heavydirtysoul'.

Watch their full set below...

P.S. Click here to read our latest Twenty One Pilots interview.