Elton John was the biggest pop star of the '70s, grabbing headlines and generating hits throughout the world. As it turned out, this was merely the first act in a remarkable career that kept him at the top of the charts for over 25 years. He charted a Top 40 hit single every year between 1970 and 1996, a sign that he knew how to both change with the times and mold the times to fit him. Initially marketed as a singer/songwriter, John soon revealed he could craft Beatlesque pop and pound out rockers with equal aplomb. He could dip into soul, disco, and country, as well as classi...