Trace Adkins and Little Big Town have joined the lineup for Music Builds: CMT Disaster Relief Concert on Thursday (May 12). As previously reported, the roster will also include Hank Williams Jr., Alabama, Ronnie Dunn, Sara Evans, Alan Jackson, Lady Antebellum, Tim McGraw and Keith Urban. ESPN reporter Erin Andrews, HLN anchor Robin Meade and comedian Ron White will serve as co-hosts. Filmed without a studio audience, the special will air live from Nashville at 9 p.m. ET/PT on CMT and will be simulcast on CMT.com. All money raised will benefit the American Red Cross disaster relief efforts for people affected by the recent devastating storms, floods and tornadoes.