Career
He also been known as 9MM or Nine Double M. Known for his harsh, gravelly flow and distinctive voice, Keyes got his break in late 1993 as a featured guest on Funkmaster Flex and the Ghetto Celebs" "Six Million Ways to Die". Keyes originally recorded under the moniker 9MM (or Nine Double M) before changing his name to simply Nine. He stated, "I didn"t want to be just be named after the gun (9mm)." His stage name refers to his date of birth (9/19/1969), his shoe size, and his lucky number.
Other pursuits Nine acted in an episode of the police drama television series New York Undercover (1997).
Nas referred to 9 Double M on the track "Where are They Now?" from his album Hip Hop Is Dead. He is also referred to on the track "Twinz (Deep Cover ’98)" from Big Pun"s debut album Capital Punishment, where Fat Joe says "Boogie Down major like Nine" referring to Nine"s lyric in his song "Whutcha Want?" where Nine describes himself as a "Boogie Down Bronx major".