"What's the point of even being there, if you're a band?"
The heavy metal band are playing at the London Stadium over Glastonbury weekend
The metal veterans are urging fans not to use their mobile phones during their current 'Run For Your Lives' tour
Besides playing numerous rarities, it also marked their first show with new touring drummer Simon Dawson
"The phone obsession has now got so out of hand that it has become unnecessarily distracting, especially to the band"
The vocalist first performed with Iron Maiden as support with his former band Samson in 1980 before officially joining in 1981
'The Mandrake Project: Year One' was inspired by the poet who Dickinson says "has given me so much over the years"
"I would prefer to see an Iron Maiden in there before I would see some of these other ones"
“Maiden has to be one hundred per cent real – and fucking fierce!”
The film comes in celebration of the band's 50th anniversary