▁a ▁nerv ous ▁break down , ▁the ▁short ▁work ▁is ▁comp elling ▁evidence ▁of ▁what ▁may ▁indeed ▁have ▁been ▁an ▁am ic able ▁and ▁co oper ative ▁relationship ▁between ▁Sal ieri ▁and ▁Moz art . ▁The ▁br isk , ▁four - min ute ▁cant ata ▁consists ▁of ▁three ▁parts , ▁each ▁by ▁a ▁different ▁composer . ▁ ▁Madame ▁St or ace ▁was ▁known ▁for ▁interpre ting ▁works ▁by ▁both ▁Moz art ▁and ▁Sal ieri , ▁as ▁well ▁as ▁by ▁her ▁brother . ▁Of elia ▁was ▁a ▁role ▁that ▁she ▁was ▁to ▁sing ▁in ▁an ▁opera ▁by ▁Sal ieri , ▁La ▁gro tta ▁di ▁Tro f onio , ▁scheduled ▁to ▁premi ere ▁in ▁June ▁ 1 7 8 5 , ▁during ▁the ▁period ▁she ▁was ▁unable ▁to ▁sing , ▁and ▁so ▁the ▁performance ▁was ▁post pon ed . ▁Her ▁recovery ▁took ▁three ▁months . ▁The ▁cant ata , ▁composed ▁in ▁early ▁Aut umn , ▁refers ▁to ▁Of elia ▁anticip ating ▁her ▁performance . ▁It ▁is ▁believed ▁that ▁Da ▁P onte ▁and ▁the ▁compos ers ▁wrote ▁the ▁cant ata ▁within ▁a ▁week , ▁as ▁M me . ▁St or ace ▁returned ▁to ▁the ▁stage ▁on ▁September ▁ 1 9 ▁in ▁Giovanni ▁P ais iel lo ' s ▁opera ▁Il ▁Re ▁Te od oro ▁in ▁Venez ia ▁– ▁a ▁performance ▁the ▁cant ata ▁clearly ▁refers ▁to ▁in ▁st anza ▁ 2 7 ▁– ▁and ▁exactly ▁a ▁week ▁later ▁the ▁cant ata ▁was ▁announced ▁in ▁the ▁local ▁newsp apers ▁Das ▁Wiener bl ätt chen ▁and ▁Wiener ▁Real