Ernst Krenek

When Ernst Krenek''s opera Jonny spielt auf (Jonny plays on) opened in Leipzig in 1927, it became an instant and spectacular success. Performed in over a hundred cities and translated into a dozen languages, it became the most popular opera of this century. And Austrian-born Krenek, easily one of this century''s most prolific major composers, became a wealthy man.   Ten years later, however, he fo...