Artwork, Layout – Zack Nipper
Bass – Flea (tracks: A2 – B1, B3, C1, C2, C4), Macey Taylor (tracks: A3, B4 – B6, C3)
Brass, Trombone – Alex Iles (tracks: A2 – B1, B3, C4), Steve Oltman (tracks: A2 – B1, B3, C4)
Brass, Trumpet – Daniel Rosenboom (tracks: A2 – B1, B3, C4), Jon Lewis (tracks: A2 – B1, B3, C4)
Conductor [Orchestra] – Suzie Katayama (tracks: A2, B1, B3, C4)
Drums, Percussion, Timpani – Jon Theodore (tracks: A2 – C4)
Engineer – Michael Harris (10) (tracks: A2, A4, B1 – B3, C1, C2, C4), Mike Mogis (tracks: A1, A3, B4 – C1, C3), Steve Churchyard (tracks: A2, A4, B1, B3, C1, C4)
Engineer [Assistant] – Adam Roberts (tracks: A1, A3, B4 – B6, C3), Chandler Harrod (tracks: A2, A4, B1, B3, C1, C4), Chris Cerullo* (tracks: A2, A4 – B3, C1, C2, C4)
Mastered By – Bob Ludwig
Performer [Bright Eyes Is], Electric Guitar, Pedal Steel Guitar [Pedal Steel], Banjo, Marxophone, Synthesizer [Bass Synthesizer], Programmed By [Programming], Dulcimer [Hammer Dulcimer], Bajo Sexto, Mixed By – Mike Mogis
Performer [Bright Eyes Is], Piano, Trumpet, Flugelhorn, Arranged By [Orchestral & Choir Arrangements], Organ [Hammond Organ], Electric Piano, Synthesizer, Vibraphone, Omnichord, Mellotron, Harpsichord – Nathaniel Walcott*
Performer [Bright Eyes Is], Vocals, Acoustic Guitar, Piano, Lyrics By – Conor Oberst
Photography By [Diorama] – Rob Walters
Strings, Cello – Charlie Tyler (2) (tracks: A2, B1, B3, C4), Dane Little (tracks: A2, B1, B3, C4), Erika Duka* (tracks: A2, B1, B3, C4), Vanessa Freebairn-Smith (tracks: A2, B1, B3, C4)
Strings, Viola – Luke Maurer (tracks: A2, B1, B3, C4), Rob Brophy* (tracks: A2, B1, B3, C4), Rodney Wirtz (tracks: A2, B1, B3, C4), Tom Lea (tracks: A2, B1, B3, C4)
Strings, Violin – Ana Landauer (tracks: A2, B1, B3, C4), Gerry Hilera* (tracks: A2, B1, B3, C4), Jackie Brand (tracks: A2, B1, B3, C4), Jenny Takamatsu (tracks: A2, B1, B3, C4), Jessica Guideri* (tracks: A2, B1, B3, C4), John Wittenberg (tracks: A2, B1, B3, C4), Michelle Richards* (tracks: A2, B1, B3, C4), Natalie Leggett (tracks: A2, B1, B3, C4), Nina Evtuhov (tracks: A2, B1, B3, C4), Paul Cartwright (tracks: A2, B1, B3, C4), Roberto Cani (tracks: A2, B1, B3, C4), Tamara Hatwan (tracks: A2, B1, B3, C4)
Woodwind, Baritone Saxophone – John Mitchell (4) (tracks: A4, B1)
Woodwind, Clarinet – Don Foster (tracks: A2, B3, C4)
Woodwind, Flute – Johanna Borenstein (tracks: A2, B3, C4)
Woodwind, Oboe, English Horn – Lara Wickes (tracks: A2, B3, C4)
Written-By, Composed By, Performer, Producer – Bright Eyes