▁track ▁list . ▁ ▁" Al ready ▁G one " ▁is ▁a ▁pop ▁ball ad . ▁The ▁music ▁is ▁described ▁by ▁Sarah ▁L iss ▁of ▁C BC ▁News ▁as ▁having ▁" a ▁p ounding ▁heart be at , ▁tw ink ly ▁piano ▁and ▁swo op ing ▁strings ", ▁and ▁by ▁James ▁Mont gom ery ▁of ▁MTV ▁as ▁having ▁" som ber ▁piano , ▁crash ing ▁drums ▁and ▁hand - c laps ". ▁Eric ▁R . ▁D anton ▁from ▁The ▁Hart ford ▁Cour ant ▁explains ▁that ▁the ▁piano ▁and ▁string ▁arrang ements ▁" roll ▁m ourn fully " ▁over ▁the ▁per cussion . ▁The ▁sheet ▁music ▁indicates ▁that ▁the ▁song ▁is ▁set ▁in ▁common ▁time ▁and ▁has ▁a ▁moder ately ▁slow ▁tempo ▁with ▁a ▁met ron ome ▁of ▁ 7 4 ▁be ats ▁per ▁minute . ▁It ▁is ▁written ▁in ▁the ▁key ▁of ▁A ▁major ▁arranged ▁in ▁the ▁ch ord ▁pro gression ▁of ▁A – Es us 4 – E – F m – D – A – Es us 4 - E – F m – D – B m – D ▁in ▁the ▁vers es , ▁and ▁A – Es us 4 – E – F m – E – D – E ▁in ▁the ▁ch orus . ▁The ▁vocal ▁range ▁sp ans ▁from ▁B 3 ▁to ▁E 5 . ▁ ▁The ▁song ' s ▁narr ative ▁is ▁in ▁first ▁person , ▁and ▁dep ict s ▁Clark son ▁telling ▁her ▁lo ver ▁that ▁although ▁he ▁has ▁done ▁nothing ▁wrong ▁in ▁their ▁relationship