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

Watch: Lorde covering Frank Ocean's 'Lost'.

| by Shahlin Graves

During her set at Primavera Sound in Barcelona yesterday, Lorde performed a cover of Frank Ocean's 'Channel Orange' classic, 'Lost'.

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