The rapper, a St Louis native, urged people protesting the death of teenager Michael Brown at the hands of police to do so peacefully.
You are outnumbered, outmanned and outgunned.
And all that's going to happen is we're going to pay the price.
Everybody in this neighbourhood, we're going to pay the price.
Half of my brothers are either going to die, or half my brothers are going to get locked up.