KENT, OHIO - 10th MARCH: Photo of PINK FLOYD; Dark side of the Moon tour. David Gilmour, Nick Mason and Roger Waters perform live on stage at Kent State University in Ohio on 10th March 1973. (Photo by John Lynn Kirk/Redferns)
KENT, OHIO - 10th MARCH: Photo of PINK FLOYD; Dark side of the Moon tour. David Gilmour, Nick Mason and Roger Waters perform live on stage at Kent State University in Ohio on 10th March 1973. (Photo by John Lynn Kirk/Redferns)
Redferns John Lynn Kirk
UNSPECIFIED - JANUARY 01: Photo of Roger WATERS and Rick WRIGHT and PINK FLOYD and Nick MASON and David GILMOUR; Posed group portrait of Pink Floyd - L-R Nick Mason, David Gilmour, Roger Waters and Rick Wright (Photo by RB/Redferns)
Redferns RB
NEW YORK, NY - SEPTEMBER 11: Singer, bass player and guitar player Roger Waters performs live at Barclays Center on September 11, 2017 in the Brooklyn borough of New York City. (Photo by Jim Bennett/Getty Images)
Getty Images Entertainment Jim Bennett
LONDON - JULY 02: (L to R) David Gilmour, Roger Waters, Nick Mason and Rick Wright from the band Pink Floyd on stage at "Live 8 London" in Hyde Park on July 2, 2005 in London, England. The free concert is one of ten simultaneous international gigs including Philadelphia, Berlin, Rome, Paris, Barrie, Tokyo, Cornwall, Moscow and Johannesburg. The concerts precede the G8 summit (July 6-8) to raising awareness for MAKEpovertyHISTORY. (Photo by MJ Kim/Getty Images)
Getty Images Entertainment MJ Kim