Band release joint statement via Facebook
Madonna, Katy Perry and Bruce Springsteen have all campaigned against the Republican nominee
Actor joins Pink Floyd singer at his London residency
It's billed as "an immersive, multi-sensory and theatrical journey through Pink Floyd's extraordinary world"
Next month sees three 1970s albums available again
It will include unreleased tracks, outtakes and rare demos
Gilmour previously played at the Pompeii Ampitheatre with Pink Floyd in 1971