Eddie Jefferson, "Zap! Carnivorous" [YouTube]
Inimitable practitioner of jazz vocalese Jefferson adds lyrics about inner city dangers to a fairly melodic, mellow, obscure 1973 Fender Rhodes workout by The New Heritage Keyboard Quartet (Roland Hanna, Mickey Tucker plus drummer and bassist)
New Heritage Keyboard Quartet "full album" (with crackles, worn grooves -- "Zap Carnivorous" is the first song) [YouTube]