▁His ▁Par s if al ▁was ▁also ▁heard ▁in ▁Vienna ▁at ▁that ▁time , ▁and ▁his ▁Sieg mund ▁( Die ▁Walk ü re ) ▁( with ▁Jess ye ▁Norman , ▁The o ▁Adam ▁and ▁Y v onne ▁M inton ) ▁in ▁Dresden ▁( 1 9 8 1 ). ▁In ▁addition ▁to ▁stage ▁appearances ▁he ▁gave ▁various ▁concert ▁performances ▁which , ▁like ▁the ▁Dresden ▁Walk ü re ▁or ▁the ▁Rome ▁L ohen gr in ▁were ▁broadcast ▁intern ation ally . ▁From ▁ 1 9 7 8 , ▁he ▁became ▁a ▁regular ▁member ▁of ▁the ▁German ▁Opera ▁in ▁Berlin , ▁and ▁had ▁permanent ▁contract ▁with ▁the ▁companies ▁in ▁Stuttgart , ▁Zürich , ▁Mun ich , ▁and ▁Vienna ▁as ▁well ▁as ▁making ▁international ▁guest ▁appearances . ▁ ▁His ▁Bay re uth ▁career ▁continued ▁with ▁Sieg fried ▁in ▁ 1 9 8 8 ▁( S ieg fried ) ▁and ▁ 1 9 8 9 ▁( G öt ter d äm mer ung ). ▁In ▁ 1 9 9 0 , ▁he ▁appeared ▁at ▁the ▁Metropolitan ▁Opera ▁with ▁James ▁Lev ine , ▁singing ▁both ▁Sieg fried s , ▁as ▁well ▁as ▁the ▁difficult ▁role ▁of ▁Log e . ▁The ▁production ▁was ▁tele vised , ▁and ▁is ▁available ▁on ▁DVD . ▁In ▁ 1 9 9 2 , ▁his ▁Bay re uth - S ieg fried ▁was ▁made ▁as ▁a ▁DVD ▁again . ▁On ▁this ▁performance , ▁Jerusalem ▁was ▁singing ▁with ▁Graham ▁Clark , ▁Anne ▁Evans ▁and ▁John ▁Tom lin son , ▁and ▁ 1 9 9 3 ▁he