Featuring
Adam Mc Carville on vocals (background)
Blake Sennett on guitar (acoustic), vocals, guitar (12 string), arp, optigan, clapping, mellotron, moog synthesizer, guitar (electric)
Clark Potter on viola
Donna Carnes on violin
Jamie Williams on voices
Jason Boesel on percussion, metal pipes, tambo drums, handbells, shaker, clapping, tympani (timpani), vocals, glockenspiel, drums, conga
Jenny Lewis on organ, guitar, piano, keyboards, harmonica, wurlitzer, mellotron, vocals
Jonathan Hischke on sax (baritone)
Justin Runge on vocals (background)
Kianna Alarid on vocals
Kimberly Salistean on violin
Luke Kellison on vocals (background)
Mike Bloom on guitar (acoustic)
Mike Mogis on synthesizer, guitar (acoustic), banjo, mandolin, glockenspiel, pedal steel, wurlitzer, sequencing, vibraphone, guitar
Nate Kellison on vocals (background)
Nate Lefeber on trombone
Nate Walcott on trumpet, horn arrangements, orchestra bells, string arrangements, flugelhorn
Neely Jenkins on vocals
Pierre de Reeder on bass, guitar (bass)
Rick Ricker on french horn
Tracy Sands on cello
Zakk Wooten on vocals (background)

Featuring
A.J. Mogis on choir, chorus, boy's choir
Blake Sennett on bass, boy's choir, harmony, sequencing, choir, chorus, vocals, keyboards, guitar
Conor Oberst on choir, chorus, boy's choir
Gretta Cohn on cello
Jason Boesel on drums, glockenspiel, choir, chorus, boy's choir, orchestra bells
Jenny Lewis on organ, vocals, keyboards, bass, fender rhodes, guitar
Jiha Lee on flute
Mike Mogis on banjo, guitar, glockenspiel, vibraphone, pedal steel
Pierre de Reeder on bass, guitar, keyboards
Rick Ricker on french horn
Ryan Fox on saxophone
Tim Kasher on accordion

Featuring
Alex Greenwald on synthesizer
Larissa Brantner on violin
Phillip Watt on trumpet
Shana Levy on keyboards