Edward Kennedy 'Duke' Ellington was a composer, pianist and bandleader from America. His music lets many different musicians express themselves at the same time.
How does the music follow the words of 'Take the A train'?
"Hurry hurry hurry take the 'A' train
To get to Sugar Hill 'way up in Harlem
If you should take the 'A' train
You'll get to where you're going in a hurry!".
There are many elements going on at the same time, polyphonically. But there is something else that gives the music momentum. What is it, and how does it interact with the combination of different sounds?