Rex Brown Memoir Release on March 12. On March 12, 2013 Da Capo Press will release the Rex Brown Memoir OFFICIAL TRUTH 101 PROOF – THE INSIDE STORY OF PANTERA, written by Pantera bassist Rex Brown, along with Mark Eglinton. Rex, who now plays along side Vinny Appice in Kill Devil Hill, joined Pantera in 1982 at the age of …