, ▁Lab i ▁S iff re ▁and ▁Oliv ia ▁Newton - John . ▁ ▁During ▁the ▁early ▁ 1 9 7 0 s ▁the ▁British ▁Music ▁press ▁( N ME ▁et ▁al .) ▁sar cast ically ▁co ined ▁the ▁phrase ▁" The ▁G um ▁Le af ▁M af ia " ▁to ▁describe ▁Australian ▁clients ▁of ▁Peter ▁G orm ley ▁who ▁arrived ▁en ▁mas se ▁in ▁London ▁in ▁the ▁late ▁ 1 9 6 0 s ▁e . g . ▁Oliv ia ▁Newton - John , ▁The ▁Se ek ers , ▁The ▁New ▁Se ek ers , ▁Kevin ▁Pe ek , ▁Terry ▁Brit ten , ▁Alan ▁Tar ney , ▁Tre vor ▁Sp encer , ▁John ▁F arr ar , ▁Bar rie ▁Guard , ▁etc . ▁ ▁In ▁Australia ▁G orm ley ▁founded ▁the ▁Festival ▁record ▁label ▁on ▁which ▁Oliv ia ▁Newton - John ▁released ▁all ▁her ▁original ▁studio ▁albums ▁in ▁that ▁country ▁from ▁ 1 9 7 1 ▁on wards ▁until ▁her ▁last ▁album ▁produced ▁by ▁John ▁F arr ar ▁called ▁W arm ▁and ▁T ender ▁in ▁ 1 9 8 9 . ▁ ▁In ▁ 1 9 8 0 ▁Brian ▁Go ode ▁of ▁Out r ider ▁Management ▁took ▁over ▁management ▁for ▁The ▁Sh adows ▁and ▁Lab bi ▁S iff re . ▁Cl iff ▁Richard ▁set ▁up ▁his ▁own ▁management ▁company ▁The ▁Cl iff ▁Richard ▁Organisation . ▁Lee ▁K ram er ▁took ▁over ▁management ▁for ▁Oliv ia ▁Newton - John ▁in ▁ 1 9 7 5 ▁in ▁the ▁USA . ▁ ▁G orm ley