The moment happened just two songs in
From melting minds with his Pyramid Stage solos to scrambling the brains of film nuts
Some viewers at home complained about the sound quality during the set
The rockers receive a lacklustre response from most of the crowd, tempered with a surprise appearance from Dave Grohl
Check out fan-captured audio of the moment
"I want to get into the heart of the producing business so I can try and make movies that I’d like to see," the Guns N' Roses guitarist said
"A lot of things from back then would not be what you consider acceptable at this moment in time"
The US rock legends will headline the series for the first time
It’s especially significant given the band’s relationship with AC/DC
Other items by The Beatles, David Bowie and Guns N' Roses also went under the hammer