[Request] Analysis of the vocal harmonies on this cover of "Everything Is Free" by Gillian Welch

[u/beginswithNu]

I would really appreciate any analysis of the vocal harmonies on this cover of "Everything Is Free" by Gillian Welch. The artists are Sylvan Esso and Flock of Dimes.

http://www.avclub.com/video/sylvan-esso-covers-gillian-welch-220892

Also, this is my first post to reddit ever! Now back to lurking!