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

Watch: Danielle Haim x Rolling Stone's 'In My Room'.

Danielle Haim performed stripped-back solo renditions of Haim songs, 'The Steps', 'Don’t Wanna', and 'Summer Girl' live for Rolling Stone magazine's 'In My Room' home video series.

Watch the mini set below...