"The 6th Sense" begins with a poem first recorded in which album ?
The 6th Sense:  "The 6th Sense" begins with an introduction in which Common states "the revolution will not be televised, the revolution is here" referencing the famous Gil-Scott Heron song named "The Revolution Will Not Be Televised." The Revolution Will Not Be Televised:  Scott-Heron first recorded it for his 1970 album "Small Talk at 125th and Lenox", on which he recited the lyrics, accompanied by congas and bongo drums.
Small Talk at 125th and Lenox