▁British ▁publish er . ▁ ▁Though ▁the ▁band ▁had ▁been ▁turned ▁down ▁by ▁a ▁few ▁UK ▁labels , ▁Cal der ▁and ▁Simon ▁thought ▁they ▁could ▁retain ▁the ▁most ▁control ▁of ▁Z om ba ▁if ▁they ▁stayed ▁in ▁the ▁publishing ▁and ▁management ▁business , ▁allowing ▁other ▁labels ▁to ▁release ▁their ▁artists ' ▁music . ▁ ▁Meanwhile , ▁L ange ▁was ▁building ▁a ▁name ▁for ▁himself ▁as ▁a ▁producer , ▁with ▁albums ▁by ▁the ▁Bo om town ▁R ats , ▁Graham ▁Parker ▁and ▁eventually ▁AC / DC ' s ▁ 1 9 7 9 ▁Highway ▁to ▁Hell , ▁his ▁break through ▁album . ▁ ▁This ▁led ▁to ▁L ange ▁becoming ▁one ▁of ▁the ▁world ' s ▁leading ▁hard - rock ▁produ cers , ▁later ▁adding ▁Def ▁Le pp ard , ▁Foreign er ▁and ▁Bry an ▁Adams ▁to ▁his ▁res ume . ▁For ▁Z om ba , ▁this ▁meant ▁increased ▁expos ure ▁and ▁cred ibility ▁leading ▁to ▁many ▁new ▁producer ▁and ▁song writer ▁management ▁de als . ▁ ▁Additionally , ▁artists ▁would ▁sign ▁publishing ▁de als , ▁giving ▁their ▁publishing ▁company ▁a ▁constantly ▁bur geon ing ▁collection . ▁ ▁In ▁early ▁ 1 9 7 8 , ▁Z om ba ▁opened ▁offices ▁in ▁New ▁York ▁City ▁and ▁began ▁looking ▁for ▁more ▁artists ▁and ▁song writ ers . ▁C live ▁Davis ▁was ▁one ▁of ▁the ▁first ▁to ▁contact ▁the ▁group , ▁who ▁used ▁his ▁recently ▁formed ▁Ar ista ▁Records ▁to ▁dist ribute ▁Z om ba ▁artists . ▁ ▁The ▁first ▁major ▁signing ▁was ▁Billy ▁Ocean . ▁