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

Watch: Rooney perform live with Jason Schwartzman.

Jason Schwartzman joined his brother, Robert, on a recent Rooney promo tour which included live performances on Late Night with Seth Meyers and The Today Show - in support of the band's upcoming new album, 'Washed Away.'

Watch both performances below...