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

The 1975 will do an acoustic show in Sydney in support of Australian bushfire relief.

The 1975's Matty Healy has today shared with fans that he intends to play an acoustic show in Sydney to help raise money to benefit the Australian bushfire appeal.

Watch Matty's announcement below: