About Ernst Busch
Friedrich Wilhelm Ernst Busch was a German singer and actor. He is best known for singing German socialist songs and was active during the Civil War in Spain and World War II. Busch first rose to prominence as an interpreter of political songs, particularly those of Kurt Tucholsky, in the Berlin Kabarett scene of the 1920s. He would go on to start his own record label and work with Bertolt Brecht and Erwin Piscator at the "Berliner Ensemble".
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.