- Nelly Furtado: vocals
- Attitude: vocals
- Rusty Anderson: acoustic guitar
- David Campbell: conductor
- Robert Cani: violin
- Luis Conte: percussion
- Larry Corbett: cello
- Maria DeLeon: violin
- Joel Derouin: violin
- Danja: drums, keyboard, piano
- Hilario Duran: piano
- Amen Garabedian: violin
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- Gerado Hilera: violin
- Sharon Jackson: violin
- Dean Jarvis: bass guitar
- Juanes: acoustic guitar, electric guitar
- Suzie Katayama: cello
- Peter Kent: violin
- Greg Kurstin: keyboard
- Jamie Muhoberac: keyboard
- Rick Nowels: guitar, keyboard, piano
- Blake O: guitar
- Luis Orbego: percussion
- Stever Richards: cello
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- Kevin Rudolph: guitar
- David Schommer: percussion
- Ramón Stagnaro: acoustic guitar, electric guitar
- Nisan Stewart: drums
- Daniel Stone: percussion
- Taku Hirano: percussion
- Timbaland: bass guitar, drums, keyboard, percussion
- Josefina Vergara: violin
- Dan Warner: guitar
- Joey Waronker: drums
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