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

Ed Sheeran performing [the song he wrote for One Direction] 'Moments' live.

Ed Sheeran recently performed 'Moments' - a song that he penned for One Direction - live during a video chat with fans.

Watch the acoustic performance below...