On the recording " Where Have You Been , " what was Aubry " Big Juice " Delaine credited with being in charge of ?
Personnel Songwriting – Ester Dean , Lukasz Gottwald , Henry Walter Production , instruments , programming – Dr. Luke , Cirkut Vocal engineering and recording – Kuk Harrell , Marcos Tovar Assistant vocal recording – Jennifer Rosales Engineering – Aubry " Big Juice " Delaine , Clint Gibbs Mixing – Serban Ghenea Mixing engineer – John Hanes Assistant mixing engineer – Phil Seaford Guitar – Nuno Bettencourt Production coordination – Irene Richter , Katie Mitzell