▁M ater ▁around ▁Northern ▁Italy , ▁so ▁that ▁she ▁could ▁pay ▁for ▁her ▁studies . ▁After ▁she ▁achieved ▁her ▁di pl oma ▁and ▁made ▁a ▁mod est ▁debut ▁in ▁Bolog na , ▁in ▁ 1 8 4 2 , ▁as ▁" C lim ene " ▁in ▁Pac ini ' s ▁S aff o , ▁she ▁obtained ▁a ▁tri enn ial ▁eng agement ▁thanks ▁to ▁Ross ini ' s ▁influence ▁on ▁the ▁im pres ario ▁Bart ol ome o ▁Mer elli , ▁Int endant ▁at ▁both ▁Milan ' s ▁Teatro ▁alla ▁Scala ▁and ▁Vienna ' s ▁Imperial ▁K är nt n ert ort he ater . ▁The ▁fav ou rable ▁contract ▁was ▁signed ▁by ▁Ross ini ▁himself , ▁" on ▁beh alf ▁of ▁E ust ach io ▁Alb oni ", ▁father ▁of ▁Mar iet ta , ▁who ▁was ▁still ▁a ▁minor . ▁The ▁singer ▁remained , ▁throughout ▁her ▁life , ▁deeply ▁grateful ▁to ▁her ▁ancient ▁" ma estro ", ▁nearly ▁a ▁second ▁father ▁to ▁her . ▁ ▁Her ▁debut ▁at ▁Teatro ▁alla ▁Scala ▁took ▁place ▁in ▁December ▁ 1 8 4 2 ▁as ▁" Ne oc le " ▁in ▁the ▁Italian ▁version ▁of ▁Le ▁siège ▁de ▁Cor int he , ▁which ▁was ▁followed ▁by ▁roles ▁in ▁oper as ▁by ▁Mar li ani , ▁Don iz etti ▁( as ▁" M aff io ▁Or s ini " ▁and ▁" Le on ora " ▁in ▁the ▁Scala ▁premi ere ▁of ▁an ▁Italian ▁version ▁of ▁La ▁favorite ), ▁Sal vi ▁and ▁Pac ini . ▁In ▁the ▁season