Bruce Springsteen and Paul McCartney have sound cut off at London festival . Fans left angry and disappointed as rock idols are forced to cut set short . Concert organizers pull the plug in line with local council 's strict curfew . Score: 6 Lead guitarist says : `` A spokesman for concert operator Live Nation said : `` It was unfortunate that the three hour plus performance by Bruce Springsteen was stopped right at the very end but the curfew is laid down by the authorities in the interest of the public 's health and safety . When I 'm jamming with McCartney do n't bug me ! ''
Bruce Springsteen and Paul McCartney have sound cut off at London festival . Fans left angry and disappointed as rock idols are forced to cut set short . Concert organizers pull the plug in line with local council 's strict curfew . Score: 6 Lead guitarist says : `` When I 'm jamming with McCartney do n't bug me ! ''