▁some ▁of ▁Ver di ' s ▁music ▁was ▁dropped . ▁ ▁Hans ell ' s ▁statement ▁establish es ▁what ▁happened ▁to ▁Ver di ' s ▁opera ▁in ▁the ▁years ▁between ▁the ▁ 1 8 5 0 ▁premi ere ▁and ▁October ▁ 1 9 9 3 . ▁ ▁To ▁begin ▁with , ▁a ▁re vised ▁version ▁of ▁the ▁opera , ▁entitled ▁G ug li el mo ▁Well ing ro de ▁( with ▁the ▁hero ▁a ▁German ▁minister ▁of ▁state ), ▁was ▁presented ▁in ▁ 1 8 5 1 , ▁without ▁either ▁Ver di ▁or ▁his ▁libre tt ist ▁Pia ve ▁being ▁responsible ▁for ▁it . ▁ ▁In ▁fact , ▁when ▁asked ▁by ▁im pres ario ▁Aless andro ▁Lin ari ▁in ▁ 1 8 5 2 ▁to ▁create ▁a ▁more ▁suitable ▁ending , ▁Ver di ▁was ▁fur ious ▁and ▁refused . ▁In ▁addition , ▁it ▁is ▁known ▁that ▁some ▁produ ctions ▁were ▁given ▁in ▁the ▁I ber ian ▁pen ins ula ▁in ▁the ▁ 1 8 5 0 s ▁and ▁ 1 8 6 0 s . ▁ ▁Ver di ▁withdraw s ▁St iff el io ▁in ▁ 1 8 5 6 ; ▁the ▁aut ograph ▁disapp ears ▁ ▁As ▁early ▁as ▁ 1 8 5 1 , ▁it ▁became ▁clear ▁to ▁Ver di ▁that ▁given ▁the ▁existing ▁c ensor ship ▁throughout ▁Italy , ▁there ▁was ▁no ▁point ▁in ▁Ric ord i , ▁his ▁publish er ▁and ▁owner ▁of ▁the ▁rights ▁to ▁the ▁opera , ▁trying ▁to ▁obtain ▁ven ues ▁for ▁performances ▁before ▁the ▁composer