Recent research has shown that all the arts have had important practitioners of two different types -- conceptual innovators who make their greatest contributions early in their careers, and experimental innovators who produce their greatest work later in their lives. This contradicts a...

Irving Berlin and Cole Porter were two of the great experimental songwriters of the Golden Era. They aimed to create songs that were clear and universal. Their ability to do this improved throughout much of their careers, as their skill in using language to create simple and poignant images...