po em ▁Est iv all ▁was ▁premier ed ▁during ▁the ▁ 1 9 4 1 ▁concert s ▁of ▁Australian ▁music ▁conducted ▁by ▁Bernard ▁Hein ze . ▁ ▁Hugh es ▁was ▁dem obil ised ▁in ▁ 1 9 4 5 ▁and ▁returned ▁to ▁Melbourne . ▁He ▁res umed ▁his ▁job ▁as ▁cost ing ▁cl erk , ▁but ▁subsequently ▁accepted ▁the ▁Australian ▁Broadcast ing ▁Corporation ' s ▁offer ▁of ▁a ▁position ▁as ▁an ▁assistant ▁music ▁li br arian ▁and ▁writer . ▁He ▁would ▁remain ▁with ▁the ▁ABC ▁until ▁his ▁ret irement ▁in ▁ 1 9 7 6 ▁. ▁ ▁In ▁October ▁ 1 9 5 0 , ▁to ▁mark ▁the ▁f ift i eth ▁anni versary ▁of ▁Federation , ▁the ▁Prime ▁Minister ▁of ▁Australia , ▁Robert ▁M enz ies , ▁announced ▁a ▁J ub ile e ▁Sym phony ▁Compet ition ▁" open ▁to ▁all ▁natural - born ▁and ▁natural ised ▁British ▁subjects ", ▁with ▁a ▁prize ▁of ▁£ 1 0 0 0 . ▁Compos ers ▁had ▁until ▁June ▁ 1 9 5 1 ▁to ▁compose ▁a ▁sym phony ▁with ▁a ▁maximum ▁duration ▁of ▁ 4 0 ▁minutes . ▁Similar ▁compet itions ▁for ▁literature ▁and ▁art ▁were ▁also ▁announced ▁with ▁similar ▁prize ▁money , ▁but ▁unlike ▁the ▁sym phony ▁competition , ▁these ▁limited ▁participants ▁to ▁Australian ▁citizens ▁only . ▁There ▁was ▁an ▁additional ▁st ip ulation ▁in ▁the ▁music ▁competition : ▁" If ▁the ▁winner ▁is ▁not ▁a ▁natural - born ▁or ▁natural ised ▁Australian , ▁a ▁special ▁prize ▁of ▁£ 2 5 0 ▁will ▁be