Whenever she is singing he uses the cor anglais to stress the sort of Eastern quality .
Sullivan claimed that this theme was one he had heard as a student in Leipzig , when he had attended a service at the Synagogue there .
Whenever she is singing he uses the cor anglais to stress the sort of Eastern quality , and Sullivan claimed that this theme was one he had heard as a student in Leipzig , when he had attended a service at the Synagogue there .