▁including ▁oper etta . ▁From ▁ 1 9 8 4 ▁to ▁ 1 9 8 9 ▁he ▁was ▁overall ▁Director ▁of ▁the ▁Thé âtre ▁des ▁Arts . ▁ ▁He ▁was ▁also ▁engaged ▁at ▁the ▁Op éra ▁de ▁Paris ▁and ▁at ▁the ▁Op éra - Com ique . ▁Out side ▁France ▁Eth u in ▁conducted ▁in ▁San ▁Francisco , ▁Los ▁Angeles , ▁Tokyo , ▁Dublin ▁and ▁some ▁Italian ▁cent res . ▁As ▁part ▁of ▁the ▁ 2 5 th ▁anni versary ▁celebr ation ▁at ▁the ▁Op éra ▁Royal ▁de ▁Wall onie ▁in ▁Lie ge , ▁in ▁May ▁ 1 9 9 2 ▁Eth u in ▁conducted ▁La ▁Dam n ation ▁de ▁Fa ust ▁where ▁he ▁" la id ▁bare ▁all ▁the ▁n erve - ends ▁of ▁the ▁inc and es cent ▁music ". ▁ ▁In ▁ 1 9 6 9 ▁Eth u in ▁conducted ▁a ▁cycle ▁of ▁Der ▁Ring ▁des ▁N ib el ungen ▁in ▁Rou en ▁with ▁an ▁international ▁cast ▁including ▁Lud m ila ▁D vo ř ák ová , ▁Hel ga ▁D ern esch , ▁Richard ▁Hol m , ▁Gustav ▁Ne id ling er ▁and ▁Kurt ▁M oll . ▁ ▁He ▁conducted ▁rare ▁modern ▁rev iv als ▁at ▁the ▁Thé âtre ▁des ▁Arts ▁in ▁Rou en ▁of ▁L ' A ig lon ▁by ▁Hon eg ger ▁in ▁ 1 9 7 7 , ▁and ▁of ▁Mess ager ' s ▁La ▁Bas o che ▁in ▁ 1 9 7 9 . ▁ ▁In ▁the ▁southern ▁French ▁festiv als , ▁he ▁conducted ▁at ▁the