▁uploaded ▁the ▁song ▁onto ▁Rob yn ' s ▁official ▁website ▁on ▁ 1 7 ▁March ▁ 2 0 1 0 . ▁It ▁was ▁later ▁released ▁to ▁digital ▁ret ail ers ▁in ▁the ▁United ▁States ▁on ▁ 1 3 ▁April ▁ 2 0 1 0 , ▁and ▁in ▁Sweden ▁three ▁days ▁later . ▁It ▁was ▁one ▁of ▁three ▁prom ot ional ▁singles ▁released ▁before ▁the ▁release ▁of ▁Body ▁T alk ▁P t . ▁ 1 ▁and ▁the ▁official ▁first ▁single , ▁" Dan cing ▁on ▁My ▁O wn ". ▁ ▁Com position ▁ ▁" F emb ot " ▁was ▁written ▁by ▁Rob yn ▁and ▁K las ▁Å hl und , ▁and ▁produced ▁by ▁the ▁latter . ▁It ▁is ▁in ▁the ▁key ▁of ▁D ▁major ▁and ▁a ▁tempo ▁of ▁ 1 2 3 ▁be ats ▁per ▁minute ▁with ▁a ▁" he avy ▁R & B ▁v ibe ". ▁According ▁to ▁Daniel ▁Kre ps ▁of ▁Rol ling ▁Stone , ▁the ▁song ▁continues ▁the ▁" android ▁theme " ▁previously ▁present ▁on ▁Rob yn ' s ▁track , ▁" Rob ot boy ", ▁the ▁inter l ude ▁" B ionic ▁Woman " ▁and ▁the ▁Rö yk so pp ▁collaboration , ▁" The ▁Girl ▁and ▁the ▁Rob ot " ▁( 2 0 0 9 ). ▁DJ ▁Ron ▁Sl om ow icz ▁of ▁About . com ▁compared ▁its ▁musical ▁and ▁lyr ical ▁style ▁to ▁that ▁of ▁previous ▁single ▁" K on ichi wa ▁B itch es " ▁( 2 0 0 7 ). ▁According ▁to ▁Jer ▁Fair all ▁of ▁Pop