Good morning, daddy!
Ain't you heard
The boogie-woogie rumble
Of a dream deferred?

Listen closely:
You'll hear their feet
Beating out and beating out a -

You think
It's a happy beat?

Listen to it closely:
Ain't you heard
something underneath
like a -

What did I say?

Sure,
I'm happy!
Take it away!

Hey, pop!
Re-bop!
Mop!

Y-e-a-h!

Langston Hughes

http://www.poemhunter.com/poem/dream-boogie/