, ▁The ▁In ▁Sound ▁From ▁Way ▁Out . ▁The ▁two ▁albums ▁were ▁re iss ued ▁in ▁ 1 9 8 8 ▁on ▁one ▁compact ▁disc ▁entitled ▁The ▁Ess ential ▁Per rey ▁and ▁Kings ley . ▁ ▁Use ▁of ▁the ▁Mo og ▁synth es izer ▁ ▁In ▁ 1 9 6 3 , ▁Robert ▁Mo og ▁met ▁German ▁music ▁engineer ▁Her b ▁Deutsch ▁at ▁the ▁New ▁York ▁State ▁School ▁Music ▁Association ▁gather ing ▁at ▁the ▁East man ▁School ▁of ▁Music . ▁Deutsch ▁encourag ed ▁Mo og ▁to ▁create ▁the ▁first ▁prototype ▁of ▁a ▁voltage - control led ▁synth es izer ▁by ▁combining ▁a ▁voltage - control led ▁oscill ator ▁and ▁ampl ifier ▁model ▁with ▁a ▁keyboard . ▁Mo og ▁noticed ▁he ▁could ▁change ▁pitch ▁electron ically ▁by ▁adjust ing ▁voltage ▁using ▁sil icon ▁trans ist ors , ▁thus ▁he ▁created ▁a ▁system ▁that ▁alter ed ▁voltage ▁by ▁one ▁step ▁in ▁order ▁to ▁change ▁the ▁pitch ▁by ▁an ▁oct ave . ▁Mo og ▁didn ’ t ▁call ▁the ▁machine ▁he ▁created ▁a ▁“ syn thes izer ” ▁until ▁ 1 9 6 7 , ▁the ▁same ▁year ▁Per rey ▁and ▁Kings ley ▁used ▁his ▁machine ▁to ▁write ▁" Bar o que ▁Ho ed own ." ▁ ▁In ▁" Bar o que ▁Ho ed own ," ▁Per rey ▁and ▁Kings ley ▁used ▁nu ances ▁and ▁characteristics ▁of ▁the ▁Bar o que ▁style , ▁such ▁as ▁running ▁lines ▁accompanied ▁by ▁a ▁b asso ▁continu o ▁( a ▁bass ▁line ▁that ▁is ▁consistent ▁throughout ▁the ▁whole ▁piece ),