1 | Cool- drum machine programming and executive producer:
- Ryan Tedder
- programming:
- Zach Skelton
- engineer:
- Rich Rich
- producer:
- Zach Skelton and Ryan Tedder
- assistant mixer:
- John Hanes
- mixer:
- Serban Ghenea
- additional guitar:
- Nick Jonas
- bass, drums (drum set), electric guitar and keyboard:
- Zach Skelton
- guitar:
- Ryan Tedder
- background vocals:
- Jonas Brothers, Rich Rich , Zach Skelton , Casey Smith and Ryan Tedder
- phonographic copyright (℗) by:
- Jonas Brothers Recording, Limited Liability Company (in 2019)
- additionally recorded at:
- Patriot Studios in Los Angeles, California, United States
- recorded at:
- St. Regis Hotel in Toronto, Ontario, Canada
- mixed at:
- MixStar Studios in Virginia Beach, Virginia, United States
- recording of:
- Cool
- writer:
- Joe Jonas , Kevin Jonas, Nick Jonas, Zach Skelton , Casey Smith and Ryan Tedder
- publisher:
- Allied One Publishing, Downtown DLJ Songs, Downtown Global Two, Fourteen Hands, Joseph Jonas Publishing, NJJ Publishing o/b/o Nick Jonas, Patriot Games Publishing, Paul Kevin Jonas II Publishing, PKJ Publishing, LLC, Songs of Universal, Inc. and Write Me a Song Publishing
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