NBC embarks on its latest musical holiday tradition: a 3-hour LIVE event production of the groundbreaking Broadway show that brought Oz to life in a funky .\r<br>\r<br>Go behind the scenes with Queen Latifah, Mary J. Blige, David Alan Grier, Ne-Yo, Elijah Kelley and Shanice Williams for an in-depth look at the live television .\r<br>\r<br>\r<br>\r<br>\r<br>\r<br>Club kids @ Emerald City.
