14. Hear Chiaroscuro Quartet

Performing the “Russian” quartets and more. wigmore-hall.org.uk, April 14 and 15.

With the global window to virtual audiences closing, London’s intimate Wigmore Hall is offering a last spasm of free streaming performances from the empty room. Near the beginning of the end are two concerts by the Chiaroscuro Quartet revolving around the music of Haydn.