Photo Flash: Train & More on NBC's NEW YEAR'S EVE WITH CARSON DALY

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NBC's New Year's Eve with Carson Daly rang in 2013 with Grammy Award-winning group Train, performing "Mermaid" and John Lennon's "Imagine," and, Cassadee Pope, the winner of NBC's "The Voice," as well as some of the best musical performances from 2012. The two-hour special aired live on Monday, December 31. Check out photos from the show below!

The 2012 musical retrospective included Justin Bieber in Mexico City, Coldplay from the Paralympics Closing Ceremony, Madonna's halftime show at the Super Bowl XLVI, Adele from Albert Hall, The Spice Girls from the Summer Olympics Closing Ceremony, PSY from the MTV European Music Awards, Beyonce from World Humanitarian Day and David Guetta from Copacabana Beach in Rio De Janeiro.

Among other highlights from the show's segments were coaches Blake Shelton, Adam Levine, CeeLo Green and Christina Aguilera from NBC's "The Voice" talking about their New Year's parties; Jay Leno and Nick Offerman (NBC's "Parks and Recreation") talking about New Year's resolutions; Donald Trump (NBC's "Celebrity Apprentice") offers real estate advice for buyers in the New Year; Amy Poehler and Adam Scott (NBC's "Parks and Recreation") explain "Auld Lang Syne" and NBC's "Parenthood" cast giving new celebrity mothers parenting advice. Jimmy Fallon from NBC's "Late Night with Jimmy Fallon" also appears.