Sir David McVicar’s 2001 production of Rigoletto for the Royal Opera may just have been displaced by a new version by Oliver Mears, but his The Magic Flute of 2003 is still going strong. Mozart’s final opera, which premiered on 30 September 1791 just a few months before the composer’s death, takes the form of a Singspiel that combines singing with spoken dialogue. In it, the Queen of the Night persuades Prince Tamino to rescue her daughter Pamina from captivity...

In Peter Sellars’ new production of La clemenza di Tito, whenever Sesto says “traditor” (“traitor”) in his end-of-act-one recitativo accompagnato, the supertitles read “terrorist”. This may seem like a small detail, but it’s emblematic of Sellars’ and Currentzis’s audacious reworking of Mozart’s opera. Sesto’s treason is personal, a crime against his friend and father figure Tito. Terrorism is general—the...