Jazzy Jay - Son Of Beat Street (Rap Version)

Opening Theme Rap - D.L.B. (Fearless Four)
Former employee from Atlantic Records confirmed here , that D.L.B. did the rap for the opening movie theme. I've seen it on of D. L. Barksdale personal website too in the biography.
Edits - M.Flash
The Rap Version was never released , only the Instrumental
1984 , Atlantic