At Oxford Circus itself - and what did you expect ? - a soaring chorus of Swing Low Sweet Chariot. And still the crowds followed us, whistles, horns, klaxons. Twenty feet deep, on the pavement, each one with arms aloft, an unforgettable and exhilarating sight on traffic lights, on scaffolding, on bollards, and bus-stop roofs, on anything that gave them a better view, they stood and roared.