- Elliot Goldenthal: Piano, orchestration, composer (1, 2, 5, 6, 8, 10, 12, 13, 15, 17-21, 23, 24), liner notes, music producer
- Francisco "Pancho" Navarro: Guitar soloist
- Ernesto Anaya: Additional guitars, vocals
- Leonel Angel Lopez: Additional guitars, vocals
- Gil Goldstein: Accordion
- Herbert Clavel: Accordion
- Valerie Naranjo: Marimba, Percussion
- Jamey Haddad: Additional percussion
- Bruce Williamson: Saxophone
- Garo Yellin: Cello
- Richard Locker: Cello
- Bill Ruyle: Dulcimer
- Harvey Estrin: Flute
- Javier Martinez: Harp
- Augusto Castillo: Harp
Cecilia BrauerGlass harmonica

- Lila Downs: Performer (1, 6, 17, 22, 24)
- Los Cojolites: Music (3), performer (3)
- Chavela Vargas: Performer (4, 16)
- El Poder del Norte: Performer (7)
- Trio Huasteco Caimanes De Tamuin: Performer (9)
- Liberación: Performer (11)
- Miguel Galindo: Performer (11)
- Alejandro Marehuala: Performer (11)
- Gerardo García: Performer (11)
- Selma Hayek: Performer (14)
- Los Vega: Performer (14)
- Trio / Marimberos: Performer (19)
- Mariachi Juvenil de Tecalitlan: Performer (22)
- Caetano Veloso: Performer (24)

- Tomás Mendez: Music (4)
- Hernán Bravo Varela: Lyrics (6, 19)
- Luis Alcaraz Torras: Music (11)
- Luis Mars: Music (22)
- Julie Taymor: Lyrics (24)

- Teese Gohl (for Gohl/McLaughlin): Music producer
- Joel Iwataki: Recording, mixing
- Robert Elhai: Orchestration
- Steven Mercurio: Orchestra conductor
- Richard Martinez: Electronic music producer
- Manhattan Center Studio, NY: Recording and mixing studio
- Estudios Churubusco (Mexico City): Recording and mixing studio
- Zarathustra Hall, NY: Recording and mixing studio
- Lawrence Manchester: Additional recording and mixing
- Lena Esquizani: Additional recording Mexico
- Valeria Palomino: Additional recording Mexico
- Eduardo Vaisman: Additional recording Mexico
- Leonardo Heiblum: Music producer Mexico, music supervisor (MEX)
- Jacobo Lieberman: Music producer Mexico, music supervisor (MEX)
- Curtis Roush: Music editor
- Emile Charlap: Contractor, music preparation
- Winfried Kraus: Additional music preparation
- Vlado Meller: Mastering
- Sony Music, NY: Mastering studio

- Sarah Botstein: Music supervisor (US)
- Kathy Nelson: Music supervisor (US), executive in charge of music for Universal Music Group
- David Schulhof: Music supervisor (Miramax)
- Randy Spendlove: Executive in charge of music for Miramax
- Rachel Levy: Soundtrack album coordinator for Miramax
- Alan Duke: Music business affairs
- Gerfried Horst: Music business affairs
- Aida Gaboyan: Album direction for UMG Soundtracks
- David Buntz: Album direction for UMG Soundtracks
- Christy Gerhart: Soundtrack coordination for UMG Soundtracks
- Chris Roberts: Chairmar, Universal Classics Group
- Randy Dry: A&R direction for Universal Classics Group
- Meredith Friedman: Soundtrack Coordination for Universal Classics Group

- Penny Bennett: Creative direction
- Rafaela Hernández: Package coordinator
- Thanne Tangel: Package coordination
- Carla Leighton for Gloo Design: Art direction, design
- Nikolaus Boddin: Vinyl packaging design