Get Familiar: The Regiment Modern day hip hop has become a battleground where blinged out messiahs of materialism have often gained the upper hand, but MCs OSI and IseQold of the Regiment are the positive force for change in music. OSI had originally formed the Regiment as a vehicle to showcase his skills along with those of his partner C. Reid. Based in Detroit, they had done several shows locally before being selected to be part of the Rawkus 50