What characteristics did each of the influential jazz musicians have that they are remembered so many years later?

Jazz, popularly known as America's classical music", developed in one of the communities of New Orleans in the late 19th and early 20th time period. Some of the characteristics of the most influential musicians include being mellow while playing their contemporaries, with emphasis on performing the music swimmingly and just lag down the beat. Another would be being expressive and lighter in terms of its sound. Nowadays, two of the most favored musical genres, namely bossa nova and smooth jazz, were obviously influenced by the early jazz music.