Mortality in Vienna having mercifully declined, its marquee jazz club has reopened in a measured way, with performances before limited audiences livestreamed worldwide. Here, the French duo of clarinetist Louis Sclavis and pianist Benjamin Moussay wax ekphrastic on the work of Ernest Pignon-Ernest, whose politically charged pictures turn up less often at exhibitions than on the streets of Paris, Naples, or Ramallah. —E.E.

Also streaming online.