- Episode Name:The Battles (4)
- Air date:4/23/2013
- Summary:The "battle rounds" continue and the coaches enlist the help of the music industry's top recording artists to offer their knowledge and skill as advisers. Adam Levine teams up with Hillary Scott, Blake Shelton with Sheryl Crow, Shakira with Joel Madden, and Usher with Pharrell Williams. In this phase, the coaches