4 | Only Lonely- assistant engineer:
- Curt Kroeger and Roger Sommers
- engineer:
- Don Gehman and Doug Trantow
- producer:
- Don Gehman
- mixer:
- Don Gehman, David Leonard and Doug Trantow
- cello:
- Larry Corbett and Suzie Katayama
- chamberlin:
- Patrick Warren
- percussion:
- Gary Greene
- viola:
- Robert Becker
- violin:
- Armen Gahabediah, Joel Derouin, Bruce Dukov and Rachel Purkin
- vocals:
- Susan Cowsill
- strings arranger:
- David Campbell
- phonographic copyright (℗) by:
- 143 Records (from 1999 to present), Atlantic Recording Corporation (from 1999 to present) and WEA International Inc. (from 1999 to present)
- recorded at:
- Royaltone Studios in North Hollywood, Los Angeles, California, United States
- mixed at:
- Scream Studios in Studio City, Los Angeles, California, United States
- recording of:
- Only Lonely
- writer:
- Mark Bryan, Dean Felber, Darius Rucker and Jim Sonefeld
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