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

Watch: Haim perform 'You Never Knew' live for the first time.

Haim kicked off their Sister Sister Sister tour in Portland tonight, performing 'You Never Knew' - from their 'Something To Tell You' album - live for the very first time.

Watch fan-filmed footage of the performance below...

P.S. Click here to read our latest interview with Haim.