Apple added an iTunes Festival channel to Apple TV this weekend, ahead of its upcoming SXSW concert series. While SXSW kicked off March 6, the iTunes Festival will begin Tuesday with Coldplay, Imagine Dragons, and London Grammar. Other acts to perform at Apple’s first U.S.-based iTunes Festival include Kendrick Lamar, Willie Nelson, and Soundgarden. The channel will stream the concerts live when the festival begins. But for now, the channel…
