▁wrote ▁fifteen ▁libre tt i . ▁Among ▁them : ▁ ▁La ▁gra zia , ▁opera ▁in ▁ 2 ▁acts , ▁music ▁by ▁V inc en zo ▁Mich etti , ▁Rome , ▁Teatro ▁Cost an zi , ▁ 3 1 ▁March ▁ 1 9 2 3 ▁( after ▁Gra zia ▁De led da ) ▁ ▁B elf ag or , ▁comm edia ▁l ir ica ▁in ▁ 1 ▁pro log ue , ▁ 2 ▁acts ▁and ▁ 1 ▁ep ilog ue , ▁music ▁by ▁Ott or ino ▁Res p igh i , ▁Milan , ▁Teatro ▁alla ▁Scala , ▁ 2 6 ▁April ▁ 1 9 2 3 ▁ ▁Die ▁vers unk ene ▁G lock e ▁( La ▁camp ana ▁som mers a ), ▁opera ▁in ▁ 4 ▁acts , ▁music ▁by ▁Ott or ino ▁Res p igh i , ▁Hamburg , ▁Stad tt he ater , ▁ 1 8 ▁November ▁ 1 9 2 7 ▁ ▁Od ette , ▁opera ▁in ▁ 3 ▁acts , ▁music ▁by ▁Mario ▁Mar ang olo , ▁Bres cia , ▁Teatro ▁Grande , ▁ 1 9 2 9 ▁ ▁Maria ▁eg izia ca ▁, ▁m ister o ▁l ir ico ▁in ▁ 1 ▁act ▁and ▁three ▁episodes , ▁music ▁by ▁Ott or ino ▁Res p igh i , ▁New ▁York ▁City , ▁Car neg ie ▁Hall , ▁ 1 6 ▁March ▁ 1 9 3 2 ▁ ▁La ▁fi amma , ▁mel od ram ma ▁in ▁ 3 ▁acts , ▁music ▁by ▁Ott or ino ▁Res p igh i