Voters cast ballots at Riverside High School during Wisconsin's primary election on Tuesday in Milwaukee. It's the only state to hold a major election since stay-at-home orders were issued across most of the country. Morry Gash/AP hide caption

In the wake of pandemics and large-scale crises, composers have responded in a broad variety of ways over the centuries. Wellcome Library, London/Wikimedia Commons hide caption

President Trump speaks during a news conference about the coronavirus pandemic in the Rose Garden of the White House on March 13. Chip Somodevilla/Getty Images hide caption

An Austrian army member stands in front of OPEC's headquarters in Vienna on Thursday. Leonhard Foeger/Reuters hide caption