Pleasance Courtyard, EdinburghThe sometime Mr Swallow sidekick's hour of interiors improv is a skilful, unshowy treat 'Shall we give ourselves a night off from being funny?" There are unassuming performance styles, then there's David Elms. At a festival that teems with ingratiating theatrics, it's quite the gearshift to watch Elms deliver this hour of improv with no mic, props, a set or anything else prepared. We hav…
