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

Watch: Sigrid perform 'Don’t Kill My Vibe' live for Jools Holland.

Sigrid appeared on Later... with Jools Holland this week to perform a magical stripped-back version of her single, 'Don’t Kill My Vibe', accompanied only by a lone pianist.

Watch the performance below...