If they conducted a raid in this room, you'd all be policed up. They'd take all of you to Abu Ghraib and turn you over to the soldiers. Maybe there's only one or two of you in this group who was a known associate or had any piece of information that they are trying to exploit.
The riot isn't seen in the movie, but it is alluded to. He has this one speech that gives a great sense of texture and paints a picture of what was happening in Harlem then.
It worries me that young singers think you can shortcut the training and go straight to fame and fortune, and programmes like Pop Idol have encouraged that.