Top in Dar refers to being the top (musician) in Dar es Salaam. His real name is Khalid Salum Mohammed.
He attended Bunge primary school until 1996, and later 2000 he attended Ordinary level. In the same year, Khalid Mohamed underwent a production studio course for eight months and then attended several computer courses in Dar es Salaam.
T.I.D. comes out of the current vivid hip hop/ R&B musical environment in Dar es Salaam, T.I.D. is in fact short for "Top in Dar".