[duckman]

'Jocko' Henderson, a black Philly 50's RnB DJ, did alot of rap on his Rocket Ship show.

[arthurus]

I think they called it "Talkin' Blues."

[Riverman94610]

"Jocko,Jocko,can you rap?
I'm the best in the world,you can bank on that"
From his classic,Rhythm Talk.