NBCUniversal Inc. March 20, 2018 3:31 am ‘Tonight': Name That Song Challenge With Blake Shelton Blake Shelton and Jimmy Fallon go head-to-head trying to correctly guess random songs that The Roots are playing one instrument at a time, like Gwen Stefani’s “Hollaback Girl.” US & World Videos 1:05 Marking construction safety week in Boston 20:19 Karen Read's attorney accuses witness of perjury at murder trial 5:31 Inside the takedown of Mass. catalytic converter theft ring 2:39 Bruins try not to ‘dwell on the past' ahead of Game 7 against Toronto Maple Leafs 20:50 Karen Read trial: How accounts of first responders have differed