Spaw, I sense you have a bee in your bonnet over the Mccartney Springsteen thing. Call me percptive!
The cancert was in a residential area, it was scheduled to end at a given time, and it was already over-running by quite some time.
Now call me old fashioned,k
but when I am asked to do 10 minutes, 20 minutes, half an hour etc, I do that.
My ego isn't so huge as to make me think I can go on for as long as I want, and fuck everybody else. Including those who have to clear up afterwards, those who live nearby and need to get some zeds in, ready for work in the morning, etc etc.
Sorry, much as I respect both performers involved, I think they were taking the piss!