▁in ▁the ▁first ▁two ▁acts , ▁but ▁conced es ▁that ▁the ▁third ▁act ▁" so ▁firm ly ▁established ▁Ross ini ' s ▁reputation ▁in ▁Ven ice ▁that ▁even ▁a ▁thousand ▁fol lies ▁could ▁not ▁rob ▁him ▁of ▁it . ▁But ▁this ▁act ▁is ▁div in ely ▁beautiful , ▁and ▁what ▁is ▁so ▁strange ▁is ▁that ▁[ its ] ▁beaut ies   ... ▁are ▁bl at antly ▁un - R oss in ian : ▁out standing , ▁even ▁passion ate ▁rec it atives , ▁myster ious ▁accompan iments , ▁lots ▁of ▁local ▁colour ." ▁ ▁Ross ini ' s ▁contract ▁did ▁not ▁prevent ▁him ▁from ▁undert aking ▁other ▁comm issions , ▁and ▁before ▁Ot ello , ▁Il ▁bar bi ere ▁di ▁S iv iglia , ▁a ▁grand ▁cul min ation ▁of ▁the ▁opera ▁buff a ▁tradition , ▁had ▁been ▁premier ed ▁in ▁Rome ▁( F ebru ary ▁ 1 8 1 6 ). ▁Richard ▁Os bor ne ▁catalog ues ▁its ▁excell encies : B ey ond ▁the ▁physical ▁impact ▁of   ... ▁Fig aro ' s ▁" L argo ▁al ▁fact ot um ", ▁there ▁is ▁Ross ini ' s ▁ear ▁for ▁vocal ▁and ▁instrument al ▁tim bres ▁of ▁a ▁peculiar ▁a string ency ▁and ▁br ill iance , ▁his ▁quick - w itted ▁word - setting , ▁and ▁his ▁master y ▁of ▁large ▁musical ▁forms ▁with ▁their ▁often ▁brilliant ▁and ▁explos ive ▁internal ▁variations . ▁Add ▁to ▁that ▁what ▁Ver di ▁called ▁the ▁opera ' s ▁" ab und ance ▁of ▁true ▁musical