Liberace began playing piano at the age of 4, and by 16, he had appeared as a soloist with the Chicago Symphony Orchestra. He soon began giving concerts in flamboyant costumes with ornate pianos, and though he occasionally performed with symphony orchestras, he built his career primarily upon popular music. Hugely successful, he hosted a television variety series, and, in later years, performed frequently in Las Vegas. During what decades was he said to be the world’s highest paid entertainer? Discuss
Source: The Free Dictionary