▁production , ▁which ▁was ▁in ▁the ▁event ▁poor ly ▁received . ▁More ▁controvers ial ▁was ▁the ▁past ic cio ▁opera ▁of ▁Robert ▁Bruce ▁( 1 8 4 6 ), ▁in ▁which ▁Ross ini , ▁by ▁then ▁returned ▁to ▁Bolog na , ▁closely ▁co oper ated ▁by ▁selecting ▁music ▁from ▁his ▁past ▁oper as ▁which ▁had ▁not ▁yet ▁been ▁performed ▁in ▁Paris , ▁not ably ▁La ▁donna ▁del ▁l ago . ▁The ▁Op éra ▁sought ▁to ▁present ▁Robert ▁as ▁a ▁new ▁Ross ini ▁opera . ▁But ▁although ▁O th ello ▁could ▁at ▁least ▁claim ▁to ▁be ▁genu ine , ▁can onic , ▁Ross ini , ▁the ▁historian ▁Mark ▁Ever ist ▁notes ▁that ▁det ract ors ▁argued ▁that ▁Robert ▁was ▁simply ▁" f ake ▁goods , ▁and ▁from ▁a ▁by g one ▁era ▁at ▁that "; ▁he ▁c ites ▁Thé oph ile ▁G aut ier ▁reg rett ing ▁that ▁" the ▁lack ▁of ▁unity ▁could ▁have ▁been ▁mask ed ▁by ▁a ▁superior ▁performance ; ▁unfortunately ▁the ▁tradition ▁of ▁Ross ini ' s ▁music ▁was ▁lost ▁at ▁the ▁Op éra ▁a ▁long ▁time ▁ago ." ▁ ▁The ▁period ▁after ▁ 1 8 3 5 ▁saw ▁Ross ini ' s ▁formal ▁separation ▁from ▁his ▁wife , ▁who ▁remained ▁at ▁Cast en aso ▁( 1 8 3 7 ), ▁and ▁the ▁death ▁of ▁his ▁father ▁at ▁the ▁age ▁of ▁eight y ▁( 1 8 3 9 ). ▁In ▁ 1 8 4 5 ▁Col b ran ▁became ▁seriously ▁ill , ▁and ▁in ▁September ▁Ross ini ▁travel led ▁to