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

The 1975 filmed a new music video with fans today.

After inviting fans to apply to take part in the filming of a new music video, The 1975's Matty Healy directed a beautiful gang of 'em all today in London - shooting a music video for new single, 'Love It If We Made It'.