"I thought, 'What? Are you being serious?'"
Emily Eavis opens Worthy Farm for business
They will join previously announced artists including The Chicks and James Bay
The album is released in October
Check out fan-captured audio of the moment
'Anything Goes', 'Bad Obsession' and 'Pretty Tied Up' were performed for the first time in decades
Tickets for the iconic festival are very sold out
McKagan and Smith also played on Pop's recent album 'Every Loser'
Richard Hutter sold counterfeit albums over a six-year period
The gig is Osbourne's first since he retired from touring, and could signal Brian Johnson's return to AC/DC