If your instinct is to undermine Beethoven, you’re directing the wrong opera: Fidelio reviewed

‘People may say I can’t sing,’ said the soprano Florence Foster Jenkins, ‘but no one can ever say I didn’t sing.’ There were groans of dismay as an official walked out before the start of the Royal Opera’s new Fidelio: Jonas Kaufmann was not feeling on top form, but he was going to perform the role of Florestan regardless, and begged our indulgence.