Lupe Fiasco had a show in Atlanta, GA last night and during his performance, Lupe Fiasco threw Troy Davis in the second to last verse on Superstars.  In the video below, around the 2:40 minute mark Lupe starts addressing the Troy Davis case.  In a particular line, Lupe throw Troy Davis name in and then further elaborates.

Like the Governor called and he told him to Wait
Un-strap TROY from the chair and put him back in his Cage

Like the Governor called and he told him to Wait
Un-strap TROY from the chair and put him back in the A

Check the video out below of Lupe addressing the Troy Davis case.