Samples contained on the album: "The Underground" - [[artist:Jo Armstead]] "Casanova (Your Playing Days Are Over)". "Ghetto" - [The Philadelphia International All Stars](http://www.discogs.com/artist/Philadelphia+International+All+Stars) "Let's Clean Up The Ghetto". "21st Century" - speech given by [[artist:John F. Kennedy]] on 25 May 1961, and samples of the Apollo-XIII mission (1970) (uncredited). "Speed Of Light" - [[artist:Otis Clay]] "Love Bandit" (uncredited). "One In A Million" - [[artist:Funkadelic]] "Icka Prick". "Heavy Soul" - [[artist:Funkadelic]] "Who Says A Funk Band Can't Play Rock".