▁music ▁for ▁film ▁and ▁the ater . ▁ ▁Acc us ation ▁by ▁Aleks andr ▁Yes en in - Vol pin ▁After ▁St alin ' s ▁death ▁Lok sh in ▁was ▁accused ▁by ▁Aleks andr Yes en in - Vol pin ▁of ▁being ▁an ▁inform er ▁for ▁the ▁Soviet ▁secret ▁police ▁NK VD - K GB , ▁responsible ▁for ▁the ▁arr ests ▁of ▁himself ▁and ▁V era ▁Pro k hor ova , ▁who ▁had ▁been ▁in car cer ated ▁in ▁the ▁Gul ag . ▁These ▁accus ations ▁t arn ished ▁the ▁composer ' s ▁reputation . ▁ ▁Perform ances ▁of ▁Lok sh in ' s ▁music ▁Perform ances ▁of ▁his ▁music ▁had ▁become ▁rare ▁and ▁were ▁met ▁with ▁resistance ▁from ▁liberal - th inking ▁intellect uals , ▁not ably ▁G enn ady ▁Ro zh dest vens ky ▁who ▁refused ▁to ▁perform ▁Lok sh in ' s ▁music . ▁Still , ▁most ▁of ▁Lok sh in ' s ▁works ▁have ▁been ▁performed ▁and ▁recorded ▁occasionally . ▁Among ▁his ▁compos itions ▁which ▁were ▁never ▁performed ▁are ▁his ▁Sym phony ▁No ▁ 6 ▁on ▁vers es ▁by ▁Aleks andr ▁Blo k ▁and ▁The ▁C ock ro ach ▁( T ar ak an ish che ), ▁a ▁com ic ▁or atorio ▁( on ▁a ▁poem ▁by ▁Kor ney ▁Ch uk ov sky , ▁with ▁anti - St alin ▁in nu endo ). ▁Rudolf ▁Bar sh ay ▁in ▁collaboration ▁with ▁Vik tor ▁Pop ov ▁prepared ▁Sym phony ▁No ▁ 6 ▁for ▁performance , ▁however ▁the ▁performance ▁of ▁this ▁composition