Classical music has been in the news this month, with the launch of Apple Music’s new classical-specific streaming app and Universal Music Group’s purchase of classical label Hyperion Records. But under the hood, another notable classical music story was brewing: for the first time in its history, Decca Records has nine of the top 10 songs on the classical U.S. on-demand audio streaming songs chart, according to Luminate. The achievement is the fruit of several different strategies to help boost those artists, including Ludovico Einaudi, Max Richter, Cody Fry, Chad Lawson and Lang Lang, across streaming services, from reworks, playlisting...