Several Middle Tennessee companies are working to help bring hope and healing to residents of Newtown Connecticut, the scene of a mass school shooting. BlackHawk Audio, Soundcheck Nashville and 4Wall Entertainment are donating audio and lighting equipment as well as instruments for a benefit concert in Bridgeport, Connecticut on January 15th. Christian Music Artists, Toby Mac, Steven Curtis Chapman and Mandisa are a few of the entertainers scheduled to perform. Proceeds from the concert will benefit families impacted by the tragic school shooting.Local Companies Helping Connecticut Shooting Victims - Erika Lathon