ics " ▁( 2 ), ▁letter ▁to ▁the ▁editor . ▁Daily ▁Te legraph ▁and ▁Mor ning ▁Post ▁( S aturday ▁ 1 2 ▁August ): ▁ 6 . ▁ ▁Eric son , ▁Raymond . ▁ 1 9 6 6 . ▁" Tim ely ▁Oper atic ▁Th eme ". ▁New ▁York ▁Times ▁( 2 5 ▁December ): ▁ 1 1 D . ▁ ▁H utch ings , ▁Arthur . ▁ 1 9 6 1 . ▁" D u ▁C ô té ▁de ▁chez ▁Zak ". ▁The ▁Musical ▁Times ▁ 1 0 2 , ▁no . ▁ 1 4 2 4 ▁( Oct ober ): ▁ 6 2 3 – 2 4 . ▁ ▁K eller , ▁Hans . ▁ 1 9 8 2 a . ▁" The ▁Future ▁of ▁BBC ▁Music : ▁A ▁Myst ery ". ▁The ▁Musical ▁Times ▁ 1 2 3 , ▁no . ▁ 1 6 6 8 ▁( F ebru ary ): ▁ 1 0 8 – 1 0 9 . ▁ ▁K eller , ▁Hans . ▁ 1 9 8 2 b . ▁" Z ak ' s ▁' Mobile ' ". ▁The ▁Musical ▁Times ▁ 1 2 3 , ▁no . ▁ 1 6 7 4 ▁( August ): ▁ 5 3 1 . ▁ ▁K eller , ▁Hans , ▁Donald ▁Mitchell , ▁and ▁Jer emy ▁No ble . ▁ 1 9 6 1 . ▁The ▁Str ange ▁Case ▁of ▁Pi otr ▁Zak . ▁BBC ▁Third ▁Program me ▁( 1 3 ▁August , ▁ 5 . 3 0