▁young ▁slave ▁ ▁Don ▁Giovanni ▁( W olf gang ▁Ama de us ▁Moz art ) ▁– ▁Don na ▁Anna ▁ ▁Die ▁sch weig same ▁Frau ▁( Rich ard ▁Stra uss ) ▁– ▁Am inta , ▁Tim ida ▁ 1 9 6 8 ▁Prem iere ▁Vienna ▁State ▁Opera , ▁st aging ▁Hans ▁Hot ter ▁ ▁Die ▁ä gypt ische ▁Hel ena ▁( Rich ard ▁Stra uss ) ▁– ▁A ith ra ▁ ▁D aph ne ▁( Rich ard ▁Stra uss ) ▁– ▁D aph ne ▁ ▁Don ▁Carlos ▁( Gi useppe ▁Ver di ) ▁– ▁Elisabeth ▁von ▁Val ois ▁ ▁Later ▁years ▁ ▁Since ▁returning ▁to ▁South ▁Africa ▁in ▁ 1 9 7 3 ▁she ▁has ▁been ▁a ▁regular ▁guest ▁on ▁South ▁African ▁stages ▁and ▁also ▁a ▁frequent ▁broad c aster ▁on ▁radio ▁and ▁television . ▁She ▁returned ▁to ▁the ▁Vienna ▁State ▁Opera ▁for ▁a ▁single ▁fare well ▁performance ▁as ▁Elis ab etta ▁in ▁Don ▁Carlo ▁on ▁ 1 4 ▁December ▁ 1 9 7 8 . ▁ ▁In ▁recent ▁years ▁she ▁has ▁devoted ▁her ▁time ▁to ▁expos ing ▁young ▁South ▁African ▁sing ers ▁to ▁the ▁neglect ed ▁art ▁of ▁L ieder ▁singing ▁which ▁can ▁be ▁artist ically ▁even ▁more ▁demand ing ▁than ▁opera ▁singing . ▁Her ▁support ▁for ▁her ▁fellow ▁South ▁African ▁mus icians ▁has ▁been ▁out standing ▁– ▁as ▁may ▁be ▁witness ed ▁in ▁her ▁Deb ut ▁with ▁M imi ▁and ▁through ▁the ▁M imi ▁Co ert se ▁B urs ary . ▁ ▁In ▁ 1 9 9 6 , ▁Austria '