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

Watch: Jack Antonoff covers Taylor Swift's 'This Is Me Trying'.

Raising $350,000 for homeless LGBTQ+ shelters with The Ally Coalition 7th Annual Talent Show last night, Jack Antonoff performed a cover of Taylor Swift's 'This Is Me Trying' (which he co-wrote and co-produced), as well as new Bleachers song, '45'.

Watch some of the performance below...