(Photo credit: Keith Saunders) Mozart’s “The Magic Flute” has a bit of everything – part-serious opera, part-singspiel, part-burlesque, part-ritual. Music commentators often seem much exercised with how to categorize it. That thought arose while watching Kate Gaul’s new production of “The Magic Flute” on February 1. This was the third opera in Opera Australia’s 2024 summer season at Sydney Opera {…}