. ▁Her ▁hy phen ated ▁family ▁name ▁was ▁the ▁result ▁of ▁the ▁inter mar riage ▁in ▁the ▁late ▁ 1 8 th ▁century ▁of ▁two ▁noble ▁families ▁in ▁that ▁city , ▁the ▁G og gi ▁and ▁the ▁Marc ov ald i . ▁She ▁showed ▁an ▁early ▁musical ▁talent ▁and ▁at ▁the ▁age ▁of ▁ 6 ▁was ▁en rolled ▁in ▁the ▁Conserv atorio ▁di ▁Santa ▁C ater ina ▁where ▁she ▁studied ▁singing ▁with ▁Giuseppe ▁Or land i . ▁She ▁made ▁her ▁first ▁public ▁appearance ▁at ▁the ▁age ▁of ▁ 1 8 ▁singing ▁ ▁" C asta ▁D iva " ▁from ▁Bell ini ' s ▁Norm a ▁in ▁a ▁concert ▁given ▁by ▁the ▁conserv atory . ▁She ▁went ▁on ▁to ▁further ▁study ▁with ▁Antonio ▁Giul iani ▁in ▁Florence ▁and ▁began ▁appearing ▁on ▁stage ▁in ▁secondary ▁sop rano ▁roles . ▁ ▁In ▁ 1 8 4 1 ▁she ▁made ▁her ▁debut ▁at ▁La ▁Fen ice ▁in ▁Ven ice , ▁singing ▁the ▁role ▁of ▁Ad alg isa ▁in ▁Norm a ▁to ▁great ▁success ; ▁she ▁was ▁there after ▁engaged ▁to ▁sing ▁leading ▁roles ▁in ▁the at res ▁throughout ▁Northern ▁Italy . ▁She ▁also ▁sang ▁in ▁Barcelona ▁in ▁ 1 8 4 5 ▁as ▁Ab ig aille ▁in ▁N ab u cco ▁and ▁in ▁ 1 8 4 6 ▁as ▁El vi ra ▁in ▁Ern ani . The ▁extension ▁of ▁her ▁vocal ▁range ▁and ▁the ▁dark ▁tim bre ▁of ▁her ▁voice ▁ultimately ▁led ▁her ▁to ▁the ▁mez zo - s op rano ▁re per toire , ▁and ▁in