▁throughout ▁his ▁Italian ▁period , ▁up ▁to ▁Sem ir am ide ▁( 1 8 2 3 ), ▁Ross ini ' s ▁written ▁vocal ▁lines ▁become ▁increasing ly ▁flor id , ▁and ▁this ▁is ▁more ▁appropri ately ▁cred ited ▁to ▁the ▁composer ' s ▁own ▁changing ▁style . ▁ ▁Ross ini ' s ▁work ▁in ▁Nap les ▁contributed ▁to ▁this ▁sty list ic ▁development . ▁The ▁city , ▁which ▁was ▁the ▁cr ad le ▁of ▁the ▁oper as ▁of ▁C imar osa ▁and ▁P ais iel lo , ▁had ▁been ▁slow ▁to ▁acknow ledge ▁the ▁composer ▁from ▁P es aro , ▁but ▁D omen ico ▁Bar ba ia ▁invited ▁him ▁in ▁ 1 8 1 5 ▁on ▁a ▁seven - year ▁contract ▁to ▁manage ▁his ▁the at res ▁and ▁compose ▁oper as . ▁For ▁the ▁first ▁time , ▁Ross ini ▁was ▁able ▁to ▁work ▁over ▁a ▁long ▁period ▁with ▁a ▁company ▁of ▁mus icians ▁and ▁sing ers , ▁including ▁amongst ▁the ▁latter ▁Isabel la ▁Col b ran , ▁Andrea ▁No zz ari , ▁Giovanni ▁David ▁and ▁others , ▁who ▁as ▁G os sett ▁notes ▁" all ▁special ized ▁in ▁flor id ▁singing " ▁and ▁" wh ose ▁vocal ▁tal ents ▁left ▁an ▁ind el ible ▁and ▁not ▁wh olly ▁positive ▁mark ▁on ▁Ross ini ' s ▁style ". ▁Ross ini ' s ▁first ▁oper as ▁for ▁Nap les , ▁Elis ab etta , ▁reg ina ▁d ' In gh il terra ▁and ▁La ▁gaz zet ta ▁were ▁both ▁largely ▁rec yc led ▁from ▁earlier