Ver en Cuevana. On a June night in 2017, opera lovers thronged to the Royal Opera House in London to hear tenor Jonas Kaufmann, recently acclaimed by The Daily Telegraph as the world s greatest tenor, make his eagerly anticipated debut in the title role of Otello Verdi s greatest and most demanding role for tenor voice. As the New York Times wrote Mr. Kaufmann made his debut in the part, and he calmly, confidently sang it for the ages.