PRESS RELEASE Oklahoma City, OK, April 26, 2019 — DD Audio proudly presents the DD Zone (Demo Destruction Zone) at the 7th Annual Team Deadly Hertz Jeff Lockhart Memorial Bass Show, May 4th and 5th at the Dominion Raceway in Thornburg, VA. This year’s best demoer in the DD Zone will receive a trophy and a CASH PRIZE. DD Audio is also sponsoring raffles for both days of the show. Prizes include...