Special guests include the country-rock icon Emmylou Harris , as well as Kate McGarrigle 's children -LRB- and prickly cabaret talents themselves -RRB- Rufus and Martha Wainwright , along with another folk-rock scion , Richard and Linda Thompson 's son Teddy Thompson .
Kate McGarrigle /people/person/children Martha Wainwright
JJ NNS VBP DT JJ NN NNP NNP , RB RB IN NNP NNP POS NNS -LRB- CC JJ NN NNS PRP -RRB- NNP CC NNP NNP , IN IN DT JJ NN , NNP CC NNP NNP POS NN NNP NNP .
Kate McGarrigle
PERSON
Martha Wainwright
PERSON
/people/person/children