currency of leaves

I'm pretty sure the hollowbody that Jeff plays on "Walken" is a Gibson Barney Kessel model. More info here.

a few interviews from Denver: one with Jeff: http://blogs.denverpost.com/reverb/2009/07/02/interview-jeff-tweedy-of-wilco/ and other one with Nels: http://www.westword.com/2009-07-02/music/wilco-pushes-forward-with-a-more-layered-sound-including-trumpets-a-harpsichords-and-even-a-beach-boys-moment/