The air is electric in Severance Music Center in University Circle as the Cleveland Orchestra tunes up for one of its annual holiday concerts. Concertgoers buy drinks and chat, and the lobby is decorated with wreaths and arches of lights.
Sitting underneath one of those arches is Mr. Jingeling. Wearing a giant velvet green jacket, striped black-and-gold pants and gold shoes that roll into a point, Mr. Jingeling greets passersby with his winning smile, a jolly chuckle and the jingle of large keys on a ring.
“I remember you,” one concertgoer remarks with a smile…