▁completed ▁after ▁six ▁months , ▁with ▁shooting ▁on ▁ 6 0 ▁of ▁those ▁days . ▁ ▁Music ▁ ▁Gir ard ▁was ▁not ▁a ▁true ▁music ian , ▁mainly ▁working ▁with ▁it ▁as ▁a ▁film ▁director . ▁The ▁film ▁score ▁was ▁written ▁by ▁composer ▁John ▁Cor igli ano , ▁with ▁every ▁viol in ▁solo ▁in ▁the ▁film ▁performed ▁by ▁viol in ist ▁Josh ua ▁Bell . ▁The ▁conduct or ▁was ▁Es a - P ek ka ▁Sal onen . ▁The ▁score ▁is ▁mainly ▁of ▁the ▁Cha conne ▁genre , ▁while ▁the ▁ost ens ibly ▁Roman i ▁music ▁was ▁also ▁actually ▁written ▁by ▁Cor igli ano . ▁Bell ▁said ▁he ▁was ▁eager ▁to ▁join ▁the ▁film ▁crew , ▁cit ing ▁his ▁enthus ias m ▁for ▁Cor igli ano ' s ▁work ▁and ▁his ▁use ▁of ▁form . ▁Cor igli ano , ▁looking ▁for ▁a ▁rom antic ▁musical ▁performance , ▁also ▁referred ▁to ▁Bell ▁as ▁the ▁ideal ▁choice ▁for ▁a ▁music ian , ▁calling ▁him ▁" an ▁arist ocrat ▁as ▁a ▁viol in ist ". ▁Gir ard ▁stated ▁Bell ▁and ▁Cor igli ano ▁were ▁involved ▁from ▁the ▁out set , ▁and ▁review ed ▁every ▁version ▁of ▁the ▁screen play ▁as ▁it ▁was ▁in ▁development . ▁ ▁Much ▁of ▁the ▁score ▁had ▁to ▁be ▁written ▁before ▁principal ▁phot ography , ▁which ▁is ▁rare ▁in ▁film . ▁Since ▁the ▁viol in ▁movements ▁seen ▁in ▁the ▁film ▁had ▁to ▁match ▁Cor igli ano ' s ▁music , ▁real - life ▁child ▁pro dig y ▁Christoph ▁Kon cz ▁was ▁cast