duke ellington it don't mean a thing

Edward Kennedy "Duke" Ellington (April 29, 1899–May 24, 1974)
The Duke was a jazz composer, pianist, and band leader, heo has been one of the most influential figures in jazz. Duke Ellington's reputation has increased since his death and now more than ever, with youtube, people who would never have heard of duke ellington. There are of course many albums by duke ellington but one of the biggest duke ellington hits has to be 'it don't mean a thing'

So below is a true duke ellington classic jazz video.
it don't mean a thing by duke ellington