Longborough, the Wagner-led festival in the heart of the English’s green and plesant, has called off its 2020 summer. Buxton, in Derbyshire, followed suit, along woth Neville Holt Opera and Brighton.

So, too, have Spoleto and Ojai in the USA.

In Germany, the Ruhr triennale is off.

Edinburgh, Bayreuth, the BBC Proms, Salzburg and Tanglewood, all of which start in late-July or August, are weighing their options day by day. Glyndebourne has the second half of its season still to decide on. Salzburg says it can wait til the end of May before making a decision.

Its president Helga Rabl-Stadler says: ‘You have a strategy, you don’t talk about it.’

Aix-en-Provence, scheduled to open on June 30, is ‘continuing to work hard to ensure that the 2020 edition runs smoothly, and is doing everything possible to carry on with Festival preparations in the best conditions possible.’

The Saturday, Deutsche Grammophon are putting on the biggest display of global piano talent in memory.

Among those taking part are includes Maria João Pires (officially retired), Rudolf Buchbinder, Evgeny Kissin, Víkingur Ólafsson, Jan Lisiecki, Joep Beving, Simon Ghraichy, Kit Armstrong and Daniil Trifonov.

Others are expected to join, subject to quarantine restictions.

You can watch pianists via YouTube and Facebook using hashtags #StayAtHome and #WorldPianoDay. The show will be streamed live at 3pm Berlin time on 28 March and will be available online only for a short period thereafter.