Some of country’s biggest stars will be on hand to perform when NBC celebrates the lighting of one of the world’s most famous Christmas trees in New York City’s Rockefeller Center.  NBC’s Christmas in Rockefeller Center will feature performances by Dolly Parton, Garth Brooks and Trisha Yearwood, with Tony Bennett, Neil Diamond, Josh Groban, Tori Kelly, Sarah McLachlan and Jordan Smith also set to perform. The 84th annual tree lighting will air on November 30 at 8 PM ET on NBC. NBC’s Today show anchors Matt Lauer, Savannah Guthrie, Al Rokerand Hoda Kotb will host the broadcast.