coordinator [production coordination] Irene Richter coordinator [production coordination] Jennifer Eashoo engineer Clint Gibbs engineer Trevor Muzzy engineer [assisted by] Kalani Thompson engineer [assisted by] Tyler Sheppard engineer [engineered for mix by] John Hanes instruments, programmed by DJ Cirkut instruments, programmed by Dr. Luke mastered by Chris Gehringer mixed by Serban Ghenea producer DJ Cirkut producer Dr. Luke vocals [additional vocals by] Gamal Lewis vocals [additional vocals by] Henry Walter vocals [additional vocals by] Lukasz Gottwald vocals [additional vocals by] Meghan Trainor written-by Gamal Lewis written-by Henry Walter written-by Jacob Kasher Hindlin written-by Lukasz Gottwald written-by Meghan Trainor written-by Theron Thomas Published By Kasz Money Publishing Published By Rap Kingpin Music Published By Prescription Songs Published By Food Fight Music Published By Where Da Kasz At Published By TNT Explosive Published By Universal Music Publishing Group Published By Year Of The Dog Music Published By MTrain Music Published By Cirkut Breaker Produced For Prescription Songs Engineered At Eightysevenfourteen Studios Engineered At Vault Studios, Los Angeles Mixed At MixStar Studios Mastered At Sterling Sound Copyright (c) Epic Records Phonographic Copyright (p) Epic Records Record Company Sony Music Entertainment Distributed By Sony Music Entertainment Pressed By Sony DADC Published by Kasz Money Publishing (ASCAP) / Rap Kingpin Music/Prescription Songs (ASCAP) / Food Fight Music/Where Da Kasz At (BMI) / TnT Explosive/UMPG (ASCAP) / Year Of The Dog Music/MTrain Music (ASCAP) / Cirkut Breaker/Prescription Songs (ASCAP) Engineered at Eightysevenfourteen Studios, Los Angeles, CA and The Vault, Los Angeles, CA Mixed at MixStar Studios, Virginia Beach, VA Mastered at Sterling Sound, New York, NY