r ille x ▁– ▁electric ▁guitar , ▁key boards , ▁drum ▁programming ▁Peter ▁Svens son ▁– ▁n yl on ▁string ▁guitar ▁Ryan ▁Ted der ▁– ▁background ▁vocals ▁ ▁Andrew ▁W att ▁– ▁drum ▁programming ▁▁ ▁Production ▁ ▁Br andon ▁Bell ▁– ▁engineer , ▁mixing ▁C ory ▁B ice ▁– ▁engineer ▁ ▁Michael ▁H . ▁Bra uer ▁– ▁mixing ▁Johan ▁Carl sson ▁– ▁producer ▁Alex ▁Chap man ▁– ▁phot ography ▁ ▁Clay ▁Cook ▁– ▁engineer , ▁producer ▁ ▁Dan ▁Davis ▁– ▁Ass istant ▁engineer , ▁engineer ▁ ▁Andrew ▁De R ober ts ▁– ▁engineer , ▁producer ▁DJ ▁R igg ins ▁– ▁mixing ▁assistant ▁ ▁Ser ban ▁Gh ene a ▁– ▁mixing ▁Ch ad ▁Gib son ▁– ▁art ▁direction ▁ ▁John ▁Han es ▁– ▁mixing ▁assistant ▁ ▁Sam ▁Holland ▁– ▁engineer ▁John ▁D ris k ell ▁Hop kins ▁– ▁engineer ▁Jay cen ▁Josh ua ▁– ▁mixing ▁Sh iv ani ▁Kap oor ▁– ▁art ▁direction , ▁design ▁Peter ▁Karl sson ▁– ▁vocal ▁producer ▁ ▁Dave ▁K utch ▁– ▁master ing ▁Paul ▁Lam alf a ▁– ▁engineer ▁ ▁N icole ▁Lar son ▁– ▁vocal ▁coach ▁ ▁Jer emy ▁L ert ola ▁— ▁engineer ▁ ▁Victor ▁L op es ▁– ▁phot ography ▁ ▁Matt ▁Mang ano ▁– ▁engineer , ▁producer , ▁production ▁coord ination ▁Max ▁Martin ▁– ▁producer ▁ ▁Michael ▁Me ch ling ▁– ▁mixing ▁assistant ▁Happy ▁Pere z ▁– ▁producer ▁ ▁Diego ▁P ern ia ▁– ▁art ▁direction , ▁phot ography ▁ ▁P oo ▁Bear ▁– ▁producer ▁ ▁Fernando ▁Re yes ▁– ▁mixing ▁assistant ▁ ▁Jacob ▁Rich