Bruce Springsteen and Paul McCartney partnered up during the Hard Rock Calling festival in London on July 14 to the delight of fans but as the two were in the middle of performing they were silenced.
The two legendary musicians were performing in London's Hyde Park and concert organizers ended their session because of the park's sound curfew.
Spring Springsteen had already exceeded the 10:30 p.m. curfew by half an hour when McCartney joined him on stage. The two sang the Beatles hits "I Saw Her Standing There" and "Twist and Shout."
But before they could thank the crowd, their microphones were silenced and the two were forced to leave the stage.
Steven Van Zandt, who plays guitar in Springsteen's E-Street Band has been Tweeting about the incident.
He Tweeted from an unverified account that was reTweeted by Springsteen's official account. Van Zandt wrote on July 14, "English cops may be the only individuals left on earth that wouldn't want to hear one more from Bruce Springsteen and Paul McCartney!"
"Last night everyone had a fantastic time, in the excellent weather conditions, with Bruce Springsteen and the E Street Band giving a record-breaking 76,000 people an incredible performance of 29 songs with special guests John Fogerty, Tom Morello & Paul McCartney joining him onstage," a spokesperson for Live Nation, the company behind the event, said in a statement on the event's website.
"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," the statement continued. "Road closures around Hard Park are put in place at specific times to make sure everyone can exit the area in a safety."