Today, the National Park Service and the National Park Foundation announced that multiple Grammy award-winning superstar Mariah Carey will be performing at the 91st annual National Christmas Tree Lighting.Emmy Award-winning actress Jane Lynch will host the ceremony, which also includes holiday performances by The Avett Brothers, Grammy award-winning violinist Joshua Bell, acclaimed soprano and musical ambassador Renée Fleming, multicultural operatic trio Forte, Queen of Soul Aretha Franklin, singer/songwriter Janelle Monáe, Latin music superstar Prince Royce, jazz legend Arturo Sandoval, the multiplatinum, Grammy-winning band Train, and Nolan Williams, Jr. and Voices of Inspiration.The 2013 National Christmas Tree Lighting will take place Friday, December 6 on the Ellipse at President’s Park in Washington, D.C. The ceremony will kick off the holiday season in our nation’s capital and can be viewed online LIVE at www.thenationaltree.org beginning at 4:30 p.m. ET with the exclusive National Christmas Tree Lighting pre-show. The event can also be seen on public television throughout December. Broadcast times can be found by checking local listings or visiting www.thenationaltree.org.Presented by the National Park Service and the National Park Foundation, the official charity of America’s national parks, and produced by Bounce AEG, the National Christmas Tree Lighting is the first event in a four-week holiday celebration in President’s Park. This year’s ceremony marks the 91st annual National Christmas Tree Lighting, an American holiday tradition started by President Calvin Coolidge in 1923.For the sixth consecutive year, UL is the premier sponsor of the National Christmas Tree Lighting. As an independent safety science company, UL’s mission is to promote safe working and living environments for all people. More information can be found at www.UL.com. Other event supporters include GE Lighting, Amtrak, Guest Services Inc., Hargrove, Hilton Garden Inn – Washington DC Downtown, Hudler Carolina Tree Farms, Loews Madison Hotel Washington D.C., Mesh Int’l, Nicolas Holiday, Uber, United and Willard InterContinental Washington D.C.