Green day concert in england

Ok... I am getting too finally write to billie joe armstrong!!! does anyone know how many people were at the concert and if it was like to 2nd largest in rock history or anything like that?

Not the second largest in history...but a huge one. Perhaps just mention that the concert was amazing, great performance, etc. Try to point out some specifics of how green day performed, and it'll come across well. Good luck.