▁throughout ▁France , ▁Ly ons , ▁Toul ouse , ▁Bor de aux , ▁Marse illes , ▁etc . ▁He ▁sang ▁mainly ▁the ▁French ▁re per toire , ▁with ▁occas ional ▁inc urs ions ▁into ▁the ▁Italian ▁re per toire . ▁In ▁ 1 9 3 9 ▁he ▁created ▁the ▁role ▁of ▁Fab rice ▁Del ▁D ongo ▁in ▁La ▁Chart re use ▁de ▁Par me ▁by ▁Henri ▁Sau gu et . ▁With ▁the ▁out break ▁of ▁the ▁war , ▁he ▁returned ▁to ▁North ▁America . ▁ ▁He ▁made ▁his ▁debut ▁at ▁the ▁Metropolitan ▁Opera ▁on ▁February ▁ 1 9 , ▁ 1 9 4 0 , ▁as ▁des ▁Gr ieux ▁in ▁Man on . ▁He ▁remained ▁with ▁the ▁company ▁until ▁ 1 9 5 0 , ▁where ▁he ▁sang ▁many ▁roles ▁alongside ▁such ▁sing ers ▁as ▁L ily ▁P ons , ▁B id u ▁Say ão , ▁Lic ia ▁Alban ese , ▁R ise ▁Stevens , ▁under ▁conduct ors ▁such ▁as ▁Wil fr id ▁Pel let ier ▁and ▁Thomas ▁Be ech am , ▁among ▁many ▁others . ▁He ▁made ▁regular ▁appearances ▁in ▁San ▁Francisco , ▁Chicago , ▁Boston , ▁New ▁Orleans , ▁etc ., ▁also ▁appearing ▁in ▁Mexico ▁City , ▁Rio ▁de ▁Janeiro , ▁and ▁Buenos ▁Aires . ▁ ▁The ▁war ▁over , ▁he ▁returned ▁to ▁Paris ▁in ▁ 1 9 4 7 , ▁where ▁he ▁successfully ▁sang ▁his ▁first ▁major ▁Wagner ian ▁role , ▁L ohen gr in , ▁ear ning ▁him ▁the ▁nick name ▁" M onsieur ▁L ohen gr in ".