LONDON, ENGLAND - SEPTEMBER 05:  David Gilmour arrives for the David Gilmour 'Live At Pompeii' premiere screening at Vue West End on September 5, 2017 in London, England.  (Photo by Jeff Spicer/Getty Images)
LONDON, ENGLAND - SEPTEMBER 05:  (L-R) David Gilmour and Director Gavin Elder arrive for the David Gilmour 'Live At Pompeii' premiere screening at Vue West End on September 5, 2017 in London, England.  (Photo by Jeff Spicer/Getty Images)
LONDON, ENGLAND - SEPTEMBER 05:  (L-R) Adrian Maben (Director of Pink Floyd At Pompeii 1971), David Gilmour and Gavin Elder (Director of Live At Pompeii 2016) arrive for the David Gilmour 'Live At Pompeii' premiere screening at Vue West End on September 5, 2017 in London, England.  (Photo by Jeff Spicer/Getty Images)
LONDON, ENGLAND - SEPTEMBER 05:  (L-R) Polly Samson and David Gilmour arrive for the David Gilmour 'Live At Pompeii' premiere screening at Vue West End on September 5, 2017 in London, England.  (Photo by Jeff Spicer/Getty Images)
LONDON, ENGLAND - SEPTEMBER 05:  David Gilmour (2nd L) with his backing vocalists Lucita Jules (L), Bryan Chambers (2nd R) and Louise Marshall (R) arrive for the David Gilmour 'Live At Pompeii' premiere screening at Vue West End on September 5, 2017 in London, England.  (Photo by Jeff Spicer/Getty Images)