Amateur video footage shows Bruce Springsteen and Sir Paul McCartney silenced on Saturday night at Hard Rock Calling when their microphones were cut off before they could address the crowds.
More top news
The Duke of Cambridge asked "on pain of death, please don't tell me" the score in England's match against Panama.
The former Stormont first minister became the first DUP leader to attend the showpiece event.
The Duke of Cambridge was presented with a wooden shield and a motorbike petrol tank bearing the Aston Villa crest.