Wilco •
Jeff Tweedy – vocals (all tracks), acoustic guitar (all tracks), bass (2, 19), electric guitar (3, 9), synthesizer (3), production, packaging design •
John Stirratt – bass (1, 5–7, 9, 10, 12–20), backup vocals (1–3, 9, 10, 12–14, 16–18) •
Nels Cline – lap steel guitar (1, 2, 10, 13, 16, 18–20), electric guitar (2, 3, 5, 6, 9, 12, 13, 18–20), baritone guitar (2, 14), square neck dobro (7, 15, 17), twelve-string electric guitar (9) •
Glenn Kotche – drums (1–3, 5–7, 9, 10, 12–20), percussion (1, 2, 7, 10, 14, 16, 17, 20) •
Mikael Jorgensen – piano (1–3, 5–7, 9, 10, 13–15, 17–20), organ (2, 6, 9, 10, 12, 15–17, 19), synthesizer (13, 18, 20) •
Pat Sansone – 12-string electric guitar (1, 20), backup vocals (1, 2, 9–14, 16–18),
B-Bender (2, 3, 9, 12, 14, 17, 19),
Mellotron (3, 5, 6, 11–13, 15, 16, 18, 19),
Wurlitzer electronic piano (6, 13, 15, 19), electric guitar (7, 10, 19), piano (8–10, 12, 13, 16), acoustic guitar (10, 13, 18), organ (12, 21), French horn arrangement (3, 8), French horn production (3, 8)
Additional personnel • Jennifer Kummer – French horn (3, 8) • Teddy Morgan – French horn engineering (3, 8) • Tom Schick – production, engineering, mixing • Mark Greenberg – engineering assistance, packaging design •
Bob Ludwig – mastering • Lawrence Azerrad – packaging design • Anastasia Antoinette – design production • Tevi Schwartz – digital retouching • Jessica Hirsche – type design • Jamie Kelter Davis – band photos == Charts ==