, ▁Rome , ▁Teatro ▁dell ' Oper a , ▁ 2 3 ▁January ▁ 1 9 3 4 ▁ ▁Lu cre zia ▁, ▁opera ▁in ▁ 1 ▁act , ▁music ▁by ▁Ott or ino ▁Res p igh i , ▁Milan , ▁Teatro ▁alla ▁Scala , ▁ 2 4 ▁February ▁ 1 9 3 7 ▁ ▁Gli ▁O ra zi , ▁opera ▁( istor ia ▁per ▁musica ) ▁in ▁ 1 ▁act , ▁music ▁by ▁En nio ▁Por r ino , ▁Milan , ▁Teatro ▁alla ▁Scala , ▁ 1 ▁February ▁ 1 9 4 1 ▁ ▁Gu ast alla ▁was ▁also ▁the ▁author ▁of ▁the ▁subject ▁of ▁Res p igh i ' s ▁bal let ▁Bel k is , ▁reg ina ▁di ▁S aba ▁( 1 9 3 2 ) ▁and ▁collabor ated ▁with ▁Res p igh i ▁for ▁a ▁revision ▁( 1 9 3 4 ) ▁of ▁the ▁libre tto ▁of ▁L ' Or fe o ▁of ▁Cla udio ▁Monte ver di . ▁ ▁References ▁ ▁Category : Ital ian ▁opera ▁libre tt ists ▁Category : 1 8 8 0 ▁birth s ▁Category : 1 9 4 8 ▁death s ▁Category : Pe ople ▁from ▁Rome ▁Category : Ital ian ▁male ▁dram at ists ▁and ▁play w right s ▁Category : 2 0 th - century ▁Italian ▁dram at ists ▁and ▁play w right s ▁Category : 2 0 th - century ▁male ▁writers <0x0A> </s> ▁The ▁Georg ian ▁E rov n uli ▁Liga ▁ 2 ▁( ; ▁lit . ▁National ▁League ▁