- Davis A. Barnett – viola
- Andrew Coleman - engineer
- Eric Fawcett – drums, background vocals
- Larry Gold – conductor, string arrangements
- Bernie Grundman – mastering
- Hart Gunther – assistant
- Mike Larson - assistant, background vocals
- Femio Hernández – assistant
- Jun Hirota – package design, booklet design
- Mike Hogue – assistant
- Chad Hugo – horn, keyboards
- Chris Kasych – assistant
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- Emma Kummrow – violin
- Jennie Lorenzo – cello
- Peter Nocella – viola
- Charles Parker – violin
- Brent Paschke – guitar
- Neal H. Pogue – engineer, mixing
- John Stahl – assistant
- Igor Szwec – violin
- Gregory Teperman – violin
- Javier Valverde – assistant
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