▁C W ▁show , ▁Hart ▁of ▁D ix ie . ▁It ▁was ▁also ▁featured ▁on ▁the ▁annual ▁" M acy ' s ▁ 4 th ▁of ▁July ▁Fire works ▁Show " ▁last ▁ 2 0 1 2 . ▁ ▁Music ▁and ▁lyr ics ▁▁ ▁" S par ks ▁Fly " ▁is ▁a ▁country ▁pop ▁song ▁with ▁a ▁length ▁of ▁four ▁minutes ▁and ▁ 2 2 ▁seconds . ▁The ▁song , ▁written ▁sole ly ▁by ▁Swift , ▁is ▁in ▁the ▁key ▁of ▁D ▁minor ▁with ▁Swift ' s ▁vocals ▁sp anning ▁two ▁oct aves , ▁from ▁F 3 ▁to ▁C 5 . ▁John athan ▁Ke efe ▁claimed ▁that ▁" the ▁a ▁cap ella ▁" Drop ▁everything ▁now " ▁ex clam ation ▁simply ▁commands ▁attention , ▁with ▁the ▁des per ation ▁in ▁Swift ’ s ▁call - to - action ▁answering ▁the ▁common ▁critic isms ▁that ▁her ▁work ▁is ▁sex less ▁and ▁ch aste ." ▁Bobby ▁Pe ac ock ▁stated ▁that ▁" I ▁wouldn ' t ▁mind ▁if ▁the ▁ban jo ▁from ▁the ▁ 2 0 0 7 ▁version ▁were ▁left ▁in , ▁but ▁its ▁om ission ▁is ▁ ▁hardly ▁make - or - break . ▁Perhaps ▁my ▁biggest ▁problem ▁is ▁that ▁the ▁song ' s ▁ch orus ▁und erm ines ▁itself ▁in ▁the ▁second ▁half ▁– ▁it ▁starts ▁out ▁em ph atic ▁ ▁and ▁anth em ic ▁as ▁usual , ▁but ▁there ' s ▁just ▁no ▁" oom ph " ▁on ▁the ▁hook . ▁It ▁almost ▁feels ▁as ▁if ▁she ' s ▁trailing ▁off