In her most ambitious work to date, the incomparable Scottish multimedia artist Rachel Maclean “takes a cyber cleaver to art history," a weapon made no less dangerous by its pink and purple glitter-coated handle. Siri, the protagonist, “finds herself at the centre of what appears to be an impossible game show, helmed by the Figurehead, an ornately dressed Maclean lip-syncing to Kenneth Clark’s [classic 1960s BBC TV series] Civilisation.