▁best ▁known ▁for ▁his ▁work ▁with ▁a ▁diverse ▁mix ▁of ▁artists ▁including ▁Led ▁Ze ppel in , ▁The ▁Rol ling ▁St ones , ▁The ▁Cl ash ▁and ▁Black ▁S abb ath . ▁ ▁Most ▁recently ▁he ▁has ▁master ed ▁albums ▁for ▁Muse . ▁ ▁Biography ▁and ▁career ▁Jo ining ▁Tr ident ▁Studios ▁( a ▁recording ▁facility ▁originally ▁located ▁at ▁ 1 7 , ▁St . ▁Anne ' s ▁Court ▁in ▁London ' s ▁So ho ▁district ) ▁in ▁ 1 9 7 0 , ▁Ray ▁Staff ▁became ▁part ▁of ▁the ▁newly ▁formed ▁Master ing ▁Department ▁contrib uting ▁to ▁projects ▁such ▁as : ▁David ▁B owie , ▁Al add in ▁S ane , ▁Z ig gy ▁St ard ust ▁and ▁El ton ▁John . ▁ ▁Ray ▁moved ▁on ▁to ▁become ▁Tr ident ' s ▁first ▁Chief ▁Master ing ▁Engine er . ▁ ▁For ▁Mont y ▁Python ▁Ray ▁created ▁the ▁world ' s ▁first ▁three - s ided ▁album ▁by ▁cutting ▁two ▁spir als ▁on ▁one ▁side ▁of ▁the ▁disc , ▁creating ▁the ▁" hidden " ▁third ▁side . ▁ ▁This ▁was ▁to pped ▁later ▁with ▁a ▁Johnny ▁M oped ▁album ▁for ▁A ce ▁Records , ▁where ▁the ▁first ▁track ▁on ▁the ▁A - side ▁was ▁double ▁cut , ▁the ▁two ▁spir als ▁then ▁joined ▁together ▁to ▁play ▁the ▁remaining ▁side ▁of ▁the ▁album . ▁ ▁Wh ilst ▁Senior ▁Master ing ▁Engine er ▁at ▁Sony ' s ▁UK ▁Studios ▁Ray ▁became ▁part ▁of ▁the ▁international ▁team ▁developing ▁Sony ' s ▁propriet ary ▁arch iving ▁system