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

Florence + The Machine to celebrate 'Lungs' 15th anniversary with an orchestra at BBC Proms.

Florence + The Machine will be celebrating the 15th anniversary of her debut album 'Lungs' with a performance at BBC Proms accompanied by Jules Buckley and his orchestra. 

The performance is scheduled for September 11th - tickets will be available if you want to attend the performance starting 18th May at 9am.