An unalterable and unquestioned law of the musical world required that the German text of French operas sung by Swedish artists should be translated into Italian for the clearer understanding of English-speaking audiences.

Wharton’s sentence is a dryly comic indictment of cosmopolitan cultural life and its absurd conventions. By stacking nationalities and languages—French opera, German text, Swedish singers, Italian translation, English-speaking listeners—she exposes how “international” high culture can become a ritual of prestige rather than communication. The phrase “unalterable and unquestioned law” satirizes the way such practices are treated as natural and authoritative, even when they defeat their stated purpose (“clearer understanding”). The humor depends on bureaucratic logic pushed to nonsense, a hallmark of Wharton’s social critique: institutions and elites often preserve tradition and status at the expense of clarity, authenticity, or common sense.