Song rights have to be cleared from the get go otherwise they can't even perform it, because if they win they record their own version for sale on iTunes.
So they went through six battle rounds in two hours. Six. Either they're gonna run battle rounds for the next four weeks or some of these performers will be victims of the montage.
Also, both contestants who were montaged in the blind auditions that they showed tonight got the boot. I wonder if that might become a trend.
Not sure it was a good idea to show both of Shakira's steals on the first night. Unless the rest of the steals were that anticlimactic.