A Chronicle of Duke Ellington's Working Life and Travels
The Duke - Where and When is now in two parts.
This meant disabling the automatic redirection, so you will need to select the links to open the two web pages.
If you save their URLs as "favourites" or bookmarks in your browser, though, you shouldn't need to return to this index page often.
This first section, 1891 - 1945, (on my Canadian web host's server) starts with the earliest known birth of Ellington's sidemen and ends in December 1945.