Springsteen and McCartney play to 80,000 in Hyde Park: Police pull the plug.

[dipsydoodle]

9. They did

but it over ran by half an hour. I think lock down time is 10.30pm for noise in a residential area and that's most likely a bi-law : what you'd refer to as a city ordinance.

One of the issues is the sound level. Some details from the past here : http://www.bbc.co.uk/news/uk-england-london-17079203

First concert I recall being there was the freebee the Stones did after Brian Jones died :

We didn't have any noise laws in those days : over 200,000 turned up for that.