Dark Chords on a Big Guitar is a 2003 album by Joan Baez. The album is more rock-oriented than her prior releases, and it is mostly composed of work by Generation X songwriters, including Natalie Merchant, Ryan Adams and Steve Earle. The title was taken from a line in Greg Brown's song "Rexroth's Daughter". Critics and listeners were surprised that Baez's voice had lost little of its original power and beauty, given that she was sixty-two when she made the album.
The album, produced by Mark Spector, was recorded at Allaire Studios, Shokan, New York, from January to April 2003. Backing musicians included George Javori and Duke McVinnie.