At the Salzburg Festival, there is a great variety of music, but we are in Mozart’s town, as a statue, candy wrappers, and other things let you know. On weekends, the festival stages “Mozart Matinées.

When Schoenberg wrote “Six Little Piano pieces,” his Opus 19, he was he was in his mid 30s, taking deep compositional breaths, smelling the roses scenting a new air that seemed to waft over Vienna in ...