The Decemberists frontman is following in the vocal footsteps of Jeff Tweedy, Frank Black, Iggy Pop, Dave Grohl, Flea, and Anthony Kiedis.
The show is scheduled to air tomorrow on Comedy Central, but Pitchfork found a sneak peek of Brother Bush's "undumbing":
Lil' Bush - Jeb Gets Smart
Uploaded by thatsfunny
