Rachael Yamagata – Heavyweight

Arranged By [Strings], Recorded By [Strings], Strings – Oliver Kraus
Engineer – Pete Hanlon (2)
Guitar – Michael Chaves
Written-By – Mike Viola
Written-By, Vocals, Piano – Rachael Yamagata

Bass – Tom Freund
Drums, Acoustic Guitar – Adam Popick
Electric Guitar – Liz Phair
Engineer – Dan Piscina
Engineer, Bass – John Alagia
Written-By, Vocals, Electric Piano [Wurly] – Rachael Yamagata

Bass – John Alagia
Engineer – Pete Hanlon (2)
Guitar, Dulcimer – Michael Chaves
Recorded By [Strings], Arranged By [Strings], Strings – Oliver Kraus
Written-By, Vocals, Piano – Rachael Yamagata

Drums – Victor Indrizzo
Electric Guitar – Michael Chaves
Engineer – Michael Chaves
Engineer – Eric Robinson (6)
Engineer – Pete Hanlon (2)
Engineer, Bass, Keyboards – John Alagia
Piano, Electric Piano [Wurly] – Mike Viola
Violin, Arranged By [Strings] – Oliver Kraus
Written-By – Mike Viola
Written-By, Vocals – Rachael Yamagata

Acoustic Guitar, Electric Piano [Wurly] – Madi Diaz
Drums – Randy Cooke
Electric Guitar – Adam Popick
Engineer – Pete Hanlon (2)
Engineer, Bass, Electric Guitar – John Alagia
Engineer, Electric Guitar, Organ – Michael Chaves
Written-By, Vocals, Piano, Acoustic Guitar, Electric Piano [Wurly] – Rachael Yamagata

Arranged By [Strings] – Paul Ahlstrand
Cello – Ronald Lowry
Engineer – Ducky Carlisle
Viola – Sue Culpo
Violin – Lisa Crockett
Violin – Michael Rosenbloom
Written-By, Vocals, Acoustic Guitar – Rachael Yamagata