Keith Justin Hetrick has worked with an American rapper who is best known for "Watch Me (Whip/Nae Nae), which reached what number on the Billboard Hot 100?
Keith Hetrick:  He has worked with notable artists such as Charlie Wilson, Boyz II Men, Snoop Dogg, Shaggy, T.I., Pitbull, Fifth Harmony, Cher Lloyd, Aston Merrygold, Silentó, The Jacksons, Ray Parker Jr., Teddy Riley, Paulina Rubio, Sophia Grace, Inna.
i don't know