Writer/director Richard Billingham has said that Ray & Liz reflects his memories of his childhood, rather than the reality. After watching this blisteringly bleak film, I can’t tell if that’s cause for relief or great concern. The film serves as an adaptation of ‘Ray’s a Laugh’, a collection of portraits featuring Billingham’s alcoholic father. In the present day, Ray lies in his high-rise tenement flat in Birmingham, drinking homebrew made by his friend Sid. Ray’s welfare does just enough to cover his addiction and since Sid picks up his dole, he scarcely needs to move – except to pour booze…