Here is some early 1970s Nigerian funk for you, courtesy of Mr Segun Bucknor. Both tracks come from an excellent compilation of his work called "Who Say I Tire", released last year on Vampisoul Records.
"Love And Affection" - Segun Bucknor
"You Killing Me" - Segun Bucknor
And here is some more classic 1970s funk. Dig that bassline.