Of all the things you probably weren’t expecting to happen in 2022, a Pink Floyd reunion must surely have ranked pretty high. Everyone believed the band was finished. David Gilmour has said as much for a few years. And yet, back in April the band unexpectedly dropped a new track. Of course, it was the noblest of reasons to release the song, entitled Hey Hey Rise Up, under the Pink Floyd name, the aim being to raise the profile of the war in Ukraine to the widest possible audience. Surely this is Pink Floyd’s final act?