mission ▁of ▁representation ▁of ▁the ▁Roman ian ▁state " ▁being ▁interpreted ▁as ▁tre ason . ▁After ▁the ▁relevant ▁pen al ▁code ▁was ▁modified ▁in ▁ 1 9 7 3 , ▁the ▁case ▁was ▁heard ▁again ▁in ▁his ▁absence , ▁and ▁he ▁was ▁sent enced ▁to ▁five ▁years ▁imprison ment ▁and ▁se iz ure ▁of ▁property . ▁ ▁International ▁career ▁▁ ▁In ▁ 1 9 7 2 , ▁Mold ove anu ▁made ▁his ▁first ▁international ▁appearance ▁as ▁Man rico ▁in ▁Il ▁trov atore ▁at ▁the ▁Reg ens burg ▁Opera . ▁Then , ▁in ▁Amsterdam , ▁he ▁was ▁Rod ol fo ▁( La ▁bo h ème ), ▁followed ▁by ▁Il ▁Du ca ▁di ▁Mant ova ▁( R igo let to ) ▁at ▁the ▁St . ▁G allen ▁Opera . ▁His ▁debut ▁at ▁the ▁Vienna ▁State ▁Opera ▁was ▁Alfred o ▁( La ▁tra vi ata ) ▁in ▁ 1 9 7 3 ; ▁he ▁returned ▁in ▁ 1 9 8 7 ▁as ▁Des ▁Gr ieux ▁( Man on ▁Les ca ut ). ▁In ▁ 1 9 7 3 , ▁he ▁also ▁appeared ▁for ▁the ▁first ▁time ▁as ▁Don ▁Carlos ▁in ▁Ver di ' s ▁hom onymous ▁opera , ▁a ▁role ▁he ▁would ▁sing ▁more ▁than ▁ 7 5 ▁times ▁during ▁his ▁career . ▁ ▁In ▁ 1 9 7 4 ▁he ▁signed ▁a ▁four - year - cont ract ▁with ▁the ▁Stuttgart ▁Opera , ▁managed ▁at ▁that ▁time ▁by ▁Wolfgang ▁Wind g assen . ▁He ▁sang ▁in ▁numerous ▁produ ctions ▁there , ▁including ▁Lu cia ▁di