▁asked ▁to ▁perform ▁on ▁stage . ▁However ▁he ▁fro ze ▁with ▁fear ▁and ▁did ▁not ▁play . ▁His ▁mother , ▁however , ▁cla pped ▁along ▁with ▁the ▁song . ▁When ▁he ▁got ▁home , ▁he ▁extends ▁his ▁hand ▁to ▁get ▁hit ▁by ▁his ▁mother . ▁But ▁his ▁mother ▁touch es ▁his ▁pal m , ▁car ess ing ▁it , ▁making ▁W en ▁Gu ang ▁raise ▁his ▁head ▁for ▁the ▁first ▁time , ▁looking ▁into ▁his ▁mother ' s ▁eyes ▁as ▁she ▁smiled ▁warm ly ▁at ▁him . ▁He ▁has ▁used ▁the ▁glass es ▁he ▁collected ▁to ▁play ▁that ▁song ▁he ▁was ▁unable ▁to ▁play ▁for ▁his ▁mother ▁when ▁she ▁was ▁alive . ▁The ▁music ▁plays , ▁as ▁Did i ▁s inks ▁to ▁the ▁ground , ▁so bb ing ▁outside ▁of ▁his ▁room ▁after ▁hearing ▁the ▁song , ▁finally ▁understanding ▁why ▁he ▁collected ▁the ▁glass es ▁so ▁pain st aking ly . ▁W en ▁Gu ang ▁has ▁done ▁all ▁of ▁this , ▁using ▁his ▁hidden ▁talent ▁of ▁perfect ▁pitch , ▁precise ▁to ▁the ▁point ▁of ▁differenti ating ▁each ▁frequency ▁level . ▁ ▁Event ually , ▁W en ▁Gu ang ▁is ▁now ▁a ▁piano ▁tun er ▁by ▁using ▁his ▁pitch . ▁He ▁works ▁for ▁the ▁piano ▁store ▁b oss . ▁On ▁their ▁way ▁back ▁together , ▁Did i ▁tells ▁him ▁he ▁might ▁want ▁to ▁date ▁Sue ▁Ann . ▁The ▁scene ▁ends ▁with ▁the ▁two ▁brothers ▁walking ▁side ▁by ▁side , ▁as ▁W en ▁Gu ang ▁laugh s : ▁" Short ▁circuit !" ▁ ▁Re ception