By JAY NORDLINGER [NY Sun, 25 August 2008]

SALZBURG, Austria — It is a privilege to sing a voice recital at the Salzburg Festival — particularly a recital of German art song. Elisabeth Schwarzkopf and Dietrich Fischer-Dieskau did it, a lot. And, last week, Christine Schäfer, the German soprano, did it. She certainly deserves the privilege.