▁in ▁performance ▁in ▁ 1 9 5 9 , ▁but ▁was ▁not ▁published ▁as ▁a ▁score ▁until ▁ 1 9 6 2 . ▁ ▁Zak ' s ▁review ▁discussed ▁the ▁nature ▁of ▁the ▁score , ▁which ▁allows ▁for ▁impro vis ation , ▁while ▁indicating ▁that ▁he ▁could ▁not ▁answer ▁the ▁question ▁of ▁how ▁the ▁meaning ▁of ▁Stock hausen ' s ▁score ▁was ▁" aud ibly ▁different ▁from ▁( a ) ▁a ▁completely ▁free ▁impro vis ation ▁from ▁the ▁same ▁perform er , ▁or ▁indeed ▁( b ) ▁an ▁experiment ▁of ▁the ▁kind ▁my ▁Mobile ▁has ▁imm ort al ized ." ▁ ▁However , ▁Zak ▁went ▁on ▁to ▁write ▁that ▁" n ob ody ▁interested ▁in ▁the ▁development ▁of ▁cre ative ▁thought ▁can ▁allow ▁himself ▁to ▁remain ▁ignor ant ▁of ▁Stock hausen ' s ▁score ." ▁ ▁He ▁also ▁humor ously ▁suggested ▁that ▁while ▁Stock hausen ▁was ▁un question ably ▁an ▁influence ▁on ▁" Z ak ", ▁Zak ' s ▁Mobile ▁may ▁have ▁been ▁an ▁influence ▁on ▁the ▁published ▁score ▁for ▁Z y kl us ..." even ▁though ▁neither ▁Stock hausen ▁nor ▁I ▁may ▁readily ▁admit ▁the ▁fact ". ▁ ▁See ▁also ▁ ▁Comp are ▁to : ▁ ▁S okal ▁affair , ▁publishing ▁ho ax ▁ ▁Ern ▁Mal ley , ▁fict it ious ▁poet ▁ ▁N aked ▁C ame ▁the ▁Str anger , ▁publishing ▁ho ax ▁ ▁Notes ▁ ▁References ▁ ▁Further ▁reading ▁ ▁Bos worth , ▁G . ▁H . ▁ 1 9 6 1 . ▁" Mr . ▁Zak ▁and ▁the ▁Crit