Tilly And The Wall - O

Accordion - Dan McCarthy (tracks: B3)
Artwork By [Layout] - Jadon Ulrich
Bass - Mike Mogis (tracks: A2, A3, B3, B4)
Bells - Mike Mogis (tracks: A5)
Choir - Branden Rapp (tracks: A4, B3, B5) , Chris Rivera (tracks: A4, B3, B5) , David Matysiak (tracks: A4, B3, B5) , Elle Lien (tracks: A4, B3, B5) , Julia Bryson (tracks: A4, B3, B5) , Kacynna Tompsett (tracks: A4, B3, B5) , Karl Houfek (tracks: A4, B3, B5) , Nik Fackler (tracks: A4, B3, B5)
Engineer [Assistance] - Ian Aeillo
Glockenspiel - Mike Mogis (tracks: B3)
Guitar - David Matysiak (tracks: B5) , Mason Brown (tracks: A1, A6, B5)
Guitar [Electric] - Mike Mogis (tracks: A4, A5, B1, B2)
Guitar [Talkbox] - Mike Mogis (tracks: A2, B2)
Keyboards - Mike Mogis (tracks: A2, A4, A6, B1-B2)
Keyboards [Mellotron] - Mike Mogis (tracks: A4, A6)
Mastered By - Doug Van Sloun
Other [Chimes] - Mike Mogis (tracks: A6)
Percussion - Mike Mogis (tracks: A3, A5, A6, B3)
Percussion [Stomps] - Darci Pressnall (tracks: A2, B3) , Elsa Fellows (tracks: A2, B3) , Jill Becker (tracks: A2, B3) , Julia Bryson (tracks: A2, B3)
Percussion [Stomps], Percussion [Tap Dancing] - Breanne Wilkinson (tracks: A2, A3, B3)
Percussion [Tap Dancing] - Elsa Fellows (tracks: A3)
Programmed By - Clark Baechle (tracks: B2)
Programmed By [Additional] - Mike Mogis (tracks: B2)
Recorded By, Producer - Mike Bogis*
Saxophone - Ian Simons (tracks: A3, A5)
Trombone - Tyler Hottovy (tracks: A4)
Trumpet - Chris Senseney (tracks: A3-A5) , Nate Walcott (tracks: B2)