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

Wolf Alice covering Katy Perry’s 'Roar'.

This is quite old, like 2013-ancient, but I only just stumbled across it in the Black Hole that is YouTube, so let’s pretend it’s a bit more recent.

Watch Wolf Alice’s cover of Katy Perry’s single 'Roar' below...