In this era of endless band reunions, it’s still easy to tell apart the cash ins from those that are meant to be. When Arab Strap’s Aidan Moffat and Malcolm Middleton amicably went their separate ways in 2006 after six albums in ten years, it still felt somewhat premature. Their short run of reunion shows from 2016-17 were some of the best of their career, but the band was put back into hibernation as the pair resumed their individual projects, admirably turning down more big money offers and stating that the band would only continue if they could produce some…