I don’t know what the “?” means, but my “freak anyone out” bit was a reference to the fact that both are leftwing. The reason why I pointed out that the first video is from last year is to suggest a favorable comparison with, for instance, this one from 1985:
http://hotsop.com/10000-maniacs/my-mother-war-live
One video is Natalie Merchant, the other is Janeane Garofalo. I was confused about their connection.
Wow! I see she went to the Elaine Bennis School of Dance too.
http://www.youtube.com/watch?v=5xi4O1yi6b0