Album has topped the US album charts
'Achy Breaky Heart' singer caught out by same joke as Donald Trump earlier this week
A previous report from events firm Populous had implied the idea would be advisable
Django Django, Flying Lotus and more pay tribute
Gervais will star in a new mockumentary next year
Figure expected to surpass one million by the end of the year
The report follows on from a car crash which killed four attendees at this year's festival
General admission tickets will go on sale at 9am on Sunday (October 5)