▁to ▁the ▁beh older ." ▁The ▁same ▁year ▁she ▁sang ▁Don na ▁El vi ra ▁in ▁Don ▁Giovanni . ▁She ▁sang ▁a ▁total ▁of ▁ 1 9 6 ▁performances ▁at ▁the ▁Metropolitan ▁Opera ▁between ▁ 1 9 2 5 ▁and ▁ 1 9 3 5 . ▁She ▁sang ▁there ▁in ▁a ▁number ▁of ▁American ▁premier es ▁including ▁Franco ▁Alf ano ' s ▁Madonna ▁Imper ia ▁( 8 ▁February ▁ 1 9 2 8 ), ▁P izz etti ' s ▁Fra ▁G her ardo ▁( 2 9 ▁March ▁ 1 9 2 9 ), ▁also ▁in ▁the ▁opera ▁Š v anda ▁the ▁Bag pi per ▁by ▁the ▁Czech - American ▁composer ▁Jar om ír ▁Wein berger ▁( 1 1 ▁July ▁ 1 9 3 1 ), ▁and ▁Simon ▁B oc can eg ra ▁( 2 9 ▁January ▁ 1 9 3 2 ). ▁ ▁Conc ern ing ▁Met ▁opening ▁night s , ▁in ▁ 1 9 3 0 ▁she ▁sang ▁the ▁lead ▁in ▁" A ida " ▁and ▁in ▁ 1 9 3 2 ▁she ▁sang ▁Am elia ▁in ▁" Sim on ▁B oc can eg ra ". ▁ ▁In ▁ 1 9 3 0 - 1 9 3 9 , ▁she ▁was ▁a ▁regular ▁Wagner ian ▁singer ▁in ▁Bay re uth . ▁Some ▁of ▁her ▁major ▁roles ▁were ▁Eva ▁in ▁Die ▁Meister sing er ▁von ▁N ür n berg ▁in ▁ 1 9 3 3 , ▁plus ▁Sieg lin de ▁and ▁El sa ▁in ▁ 1 9 3 6 . ▁The ▁New ▁York