CMA Fest week got an unofficial kickoff on June 3 at Nashville’s Wildhorse Saloon during the second annual ’80s Dance Party to End Alz, which benefited the Alzheimer’s Association. This year’s event, which was hosted by Kimberly Williams-Paisley and Blair Garner, featured performances from Brad Paisley, Darius Rucker, Chris Young, Lindsay Ell, Charles Esten, Ashley…