In a taped message before the concert, Ed Sheeran introduced the loop station, the foot-controlled device that lets the solo artist sound like a full band. It was a fitting kick-off for a “LOOP Tour” show built on live layering and self-made sound, a reminder that the stadium-ready spectacle sti ll starts with one man, one guitar and the stubborn, looping persistence that got Sheeran there. ...read more read less