American hip hop group
Unbound Allstars were a one-off collaboration of various hip-hop artists who recorded the track "Mumia 911" supporting the release of death row inmate, Mumia Abu-Jamal. The artists involved included Public Enemy's Chuck D., Rage Against the Machine front man Zack de la Rocha, Dead Prez and Pharoahe Monch.
"Mumia 911".
The LP, "Mumia 911", was released in 1999 by Ground Control and included all 10 versions of the song.
Track list.
You can find this song on "The Unbound Project Vol.1"