The row over the use of taped music in ballet performances has leaped across the pond, and musicians in Glasgow, Scotland, were protesting this week outside choreographer Matthew Byrne’s new production of La Sylphide. “The union believes the music for the show could be provided by a group of just six or seven players, although an orchestra would be ideal.” Organizers say that, while live music is always preferable, the tour simply would not have been possible with the expense of an orchestra added in.