A musicologist who worked in the US for ten years was suddenly barred from the country last year. “Her case has become a cause célèbre among musicologists and the subject of a protest campaign by the American Musicological Society and by academic leaders like Leon Botstein, the president of Bard College at Annandale-on-Hudson, N.Y., where Ghuman was to have participated last month in the Bard Music Festival, showcasing Elgar’s music.”