Book of Exit: Dub Chamber 4

Book of Exit: Dub Chamber 4 is the fourth album by American composer Bill Laswell issued under the moniker Sacred System. It was released on October 29, 2002 by ROIR.

Personnel
Adapted from the Book of Exit: Dub Chamber 4 liner notes.
 * Musicians
 * Aïyb Dieng – percussion
 * Karsh Kale – drums, tabla
 * Bill Laswell – bass guitar, guitar, keyboards, musical arrangements, producer
 * Ejigayehu "Gigi" Shibabaw – vocals
 * Technical personnel
 * John Brown – cover art
 * James Dellatacoma – assistant engineer
 * Robert Musso – engineering, programming