zeit ung , ▁which ▁advert ised ▁copies ▁for ▁sale ▁by ▁V ienn ese ▁publish er ▁Art aria ▁& ▁Co . ▁The ▁premi ere ▁of ▁Sal ieri ' s ▁new ▁opera ▁finally ▁took ▁place ▁on ▁October ▁ 1 2 . ▁ ▁Moz art ▁had ▁a ▁close ▁professional ▁relationship ▁with ▁the ▁div a . ▁The ▁following ▁year , ▁before ▁her ▁return ▁to ▁her ▁native ▁England , ▁he ▁composed ▁a ▁fare well ▁concert ▁aria ▁for ▁M me . ▁St or ace — " Ch ' io ▁mi ▁sc ord i ▁di ▁te ? ▁... ▁Non ▁tem er , ▁am ato ▁bene " ▁( Will ▁I ▁forget ▁you ? ▁... ▁F ear ▁not , ▁bel oved ), ▁K . ▁ 5 0 5 — and ▁accompanied ▁her ▁as ▁pian ist . ▁ ▁Disc overy ▁Found ▁amongst ▁a ▁be vy ▁of ▁conf isc ated ▁property ▁acquired ▁during ▁the ▁ 1 9 5 0 s ▁and ▁bearing ▁the ▁names ▁of ▁Moz art ▁and ▁Sal ieri ▁" in ▁a ▁kind ▁of ▁signature ▁code ▁that ▁was ▁common ▁at ▁the ▁time ," ▁according ▁to ▁Mich al ▁Luke š , ▁General ▁Director ▁of ▁the ▁Czech ▁National ▁Museum , ▁the ▁printed ▁libre tto ▁reve als ▁only ▁the ▁author ' s ▁pseud onym , ▁the ▁year ▁of ▁publication , ▁the ▁printer ' s ▁name ▁( Jose ph ▁von ▁Kurz b ö ck ) ▁and ▁the ▁first ▁letters ▁of ▁the ▁s urn ames ▁of ▁the ▁compos ers . ▁As ▁stated ▁by ▁the ▁BBC , ▁" its ▁compos ers ▁were ▁identified ▁in ▁a ▁code ▁that ▁has ▁only