Music News Seriously Addictive Music News – Behind-The-Scenes Look At Metallica’s Grammy’s Rehearsal & More! By Nova News Team - August 29, 2017 0 533 Get a behind-the-scenes look at Metallica rehearsing THAT GRAMMYs performance and more in today’s Seriously Addictive Music News with Siobhain & Conor! Video Ad by bbvms.com 1