Scattered among the classic productions of the mid-'80s Chicago house scene are those of Jamie Principle, the first to record song-based house music and the closest to a songwriter in the entire community. Principle never received his proper respect, since many of his best singles were only released years after their (usually ecstatic) introduction on the Chicago club scene. Also, the balance of input between Principle and producer Frankie Knuckles has never been defined, resulting in singles credited to "Frankie Knuckles Presents," "A Frankie Knuckles Production," or occasion...