▁crowd ▁of ▁ 3 , 0 0 0 ▁in ▁the ▁For b idden ▁City . ▁P ix ar ' s ▁phot ore al istic ▁open ▁API ▁Render Man ▁was ▁used ▁to ▁render ▁the ▁crowd . ▁Another ▁software ▁developed ▁for ▁this ▁movie ▁was ▁F aux ▁Pl ane , ▁which ▁was ▁used ▁to ▁add ▁depth ▁to ▁flat ▁two - dimensional ▁painting . ▁Although ▁developed ▁late ▁in ▁production ▁progress , ▁F aux ▁Pl ane ▁was ▁used ▁in ▁five ▁sh ots , ▁including ▁the ▁dram atic ▁sequence ▁which ▁features ▁the ▁Great ▁Wall ▁of ▁China , ▁and ▁the ▁final ▁battle ▁sequence ▁when ▁Mul an ▁runs ▁to ▁the ▁For b idden ▁City . ▁During ▁the ▁scene ▁in ▁which ▁the ▁citizens ▁of ▁China ▁are ▁bow ing ▁to ▁Mul an , ▁the ▁crowd ▁is ▁a ▁pan or am ic ▁film ▁of ▁real ▁people ▁bow ing . ▁It ▁was ▁edited ▁into ▁the ▁animated ▁for eground ▁of ▁the ▁scene . ▁ ▁Music ▁ ▁In ▁March ▁ 1 9 9 4 , ▁Stephen ▁Schw art z ▁was ▁attached ▁to ▁compose ▁the ▁lyr ics ▁and ▁music ▁for ▁the ▁songs ▁for ▁the ▁film . ▁Following ▁the ▁research ▁trip ▁to ▁China ▁in ▁June ▁ 1 9 9 4 , ▁Schw art z ▁was ▁contact ed ▁by ▁former ▁Disney ▁studio ▁chairman ▁Jeff rey ▁Kat zen berg ▁to ▁compose ▁songs ▁for ▁The ▁Prince ▁of ▁Egypt , ▁which ▁he ▁agreed . ▁Peter ▁Schne ider , ▁then - pres ident ▁of ▁W alt ▁Disney ▁Fe ature ▁An imation , ▁threatened ▁to ▁have ▁Schw art z ' s ▁name ▁removed ▁from ▁any