(Photo: Nikolai Wolff) Franz Joseph Haydn’s “L’isola disabitata” (1779) runs for just eighty minutes, making it a uniquely compact chamber opera. The Orchestra of the Eighteenth Century production at Oldenburg State Theater fully embraced this inherent brevity by adopting a minimal stage design. During the overture, a simple grey backdrop was manually raised, coming alive as lighting cues cast shifting {…}