, ▁S ia ▁announced ▁her ▁sixth ▁studio ▁album ▁ 1 0 0 0 ▁Form s ▁of ▁F ear ▁and ▁released ▁" Ch and el ier " ▁as ▁its ▁lead ▁single . ▁S ia ▁revealed ▁that ▁she ▁initially ▁wrote ▁the ▁track ▁for ▁R ih anna ▁or ▁Bey on cé , ▁but ▁decided ▁to ▁record ▁the ▁song ▁herself . ▁The ▁mel ody ▁was ▁formed ▁after ▁S ia ▁played ▁the ▁piano , ▁while ▁Greg ▁Kur st in ▁and ▁J esse ▁Sh at kin ▁played ▁the ▁mar im ba ▁in ▁the ▁studio . ▁In ▁the ▁United ▁States , ▁" Ch and el ier " ▁was ▁released ▁for ▁digital ▁download ▁onto ▁i T unes ▁St ores ▁on ▁ 1 7 ▁March ▁ 2 0 1 4 ▁through ▁Mon key ▁P uzz le , ▁with ▁distribution ▁by ▁R CA ▁Records . ▁In ▁the ▁United ▁Kingdom , ▁" Ch and el ier " ▁was ▁released ▁digit ally ▁on ▁ 2 9 ▁June ▁ 2 0 1 4 . ▁A ▁day ▁later , ▁it ▁was ▁sent ▁by ▁R CA ▁Records ▁to ▁US ▁hot ▁adult ▁contemporary ▁radio . ▁ ▁Com position ▁ ▁" Ch and el ier " ▁was ▁written ▁by ▁S ia ▁and ▁Sh at kin ▁and ▁was ▁produced ▁by ▁Kur st in ▁and ▁Sh at kin . ▁It ▁was ▁described ▁as ▁an ▁elect rop op ▁ball ad , ▁featuring ▁" so aring " ▁synth esis ers , ▁" mil it ant " ▁drums , ▁and ▁hip ▁hop ▁be ats ▁with ▁electron ica , ▁R & B , ▁and ▁reg ga