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S2:E6 The Battles Begin
First Aired: March 05, 2012
The battle round kicks off with team members dueling in duets and the coaches enlisting help from such star mentors as Jewel, Lionel Richie, Alanis Morissette, Robin Thicke, Kenneth "Babyface" Edmonds, Ne-Yo, Kelly Clarkson and Miranda Lambert.
