From September 2 to September 6, The Mac, Belfast, will present three classic plays by Samuel Beckett, executed in just one-hour long, rarely performed, piece. Not I is an intense monologue, set in a pitch-black space lit by a single beam of light. A disembodied female mouth floats eight feet above the stage and delivers a stream of consciousness, spoken, as Beckett directed, at the speed of thought. Footfalls tells the moving story of May, a ghostly figure who paces back and forth like a metronome outside her dying mother’s room. Completing the trilogy is Rockaby – probably the most famous…