Visitors to the Salzburg Festival expect to hear the best of classical music; last week they got something even better: a Historic Occasion. At curtain time the old Festival Hall was filled with well-fed but expectant listeners, come to hear the world premiere of The Love of Danae, the only unperformed opera by Richard Straussa composer only slightly less sacred to Salzburg than Mozart himself.
Danaë had special significance for Salzburgers. Eight years ago, after the Allies had landed in Normandy and Hitler's Reich was girding for its last stand, all theaters were ordered...