Migration: a zero year, month, day or OperaClass id meant the value was unknown, not that it was zero. Set to null.

Billing: the title role was not among the three noted. The record billed Raimondi (Il Re), Domingo (Radames) and Ghiaurov (Ramfis) - the first entries of the booklet cast page, which is printed in score order (Il Re, Amneris, Aida, Radames, ...). The rear inlay of DG 410 092-2, scanned in the rip at Scans/back.jpg, bills the set as Aida: Katia Ricciarelli / Radames: Placido Domingo / Amneris: Elena Obraztsova, in that order. Setting the three noted roles to Aida, Radames and Amneris per the skills billing convention (title role among the three).

findopera 7792 cast, DG La Scala 1981 (Abbado). Billing convention: three noted roles, the title role among them. Aida (Ricciarelli) and Amneris (Obraztsova) were unbilled while the King of Egypt and Ramfis, both comprimario-weight parts here, carried top billing; the search line and library name were therefore built on Raimondi/Domingo/Ghiaurov. Corrected to Aida, Amneris, Radames. Cast confirmed against the EAC-ripped release in /volume1/Opera/incoming (cue+log, 1981) and https://www.discogs.com/master/56612

Billing: the title role was not among the three noted. The record billed Raimondi (Il Re), Domingo (Radames) and Ghiaurov (Ramfis) - the first entries of the booklet cast page, which is printed in score order (Il Re, Amneris, Aida, Radames, ...). The rear inlay of DG 410 092-2, scanned in the rip at Scans/back.jpg, bills the set as Aida: Katia Ricciarelli / Radames: Placido Domingo / Amneris: Elena Obraztsova, in that order. Setting the three noted roles to Aida, Radames and Amneris per the skills billing convention (title role among the three).

findopera 7792 cast, DG La Scala 1981 (Abbado). Billing convention: three noted roles, the title role among them. Aida (Ricciarelli) and Amneris (Obraztsova) were unbilled while the King of Egypt and Ramfis, both comprimario-weight parts here, carried top billing; the search line and library name were therefore built on Raimondi/Domingo/Ghiaurov. Corrected to Aida, Amneris, Radames. Cast confirmed against the EAC-ripped release in /volume1/Opera/incoming (cue+log, 1981) and https://www.discogs.com/master/56612

Billing: the title role was not among the three noted. The record billed Raimondi (Il Re), Domingo (Radames) and Ghiaurov (Ramfis) - the first entries of the booklet cast page, which is printed in score order (Il Re, Amneris, Aida, Radames, ...). The rear inlay of DG 410 092-2, scanned in the rip at Scans/back.jpg, bills the set as Aida: Katia Ricciarelli / Radames: Placido Domingo / Amneris: Elena Obraztsova, in that order. Setting the three noted roles to Aida, Radames and Amneris per the skills billing convention (title role among the three).

findopera 7792 cast, DG La Scala 1981 (Abbado). Billing convention: three noted roles, the title role among them. Aida (Ricciarelli) and Amneris (Obraztsova) were unbilled while the King of Egypt and Ramfis, both comprimario-weight parts here, carried top billing; the search line and library name were therefore built on Raimondi/Domingo/Ghiaurov. Corrected to Aida, Amneris, Radames. Cast confirmed against the EAC-ripped release in /volume1/Opera/incoming (cue+log, 1981) and https://www.discogs.com/master/56612

Billing: the title role was not among the three noted. The record billed Raimondi (Il Re), Domingo (Radames) and Ghiaurov (Ramfis) - the first entries of the booklet cast page, which is printed in score order (Il Re, Amneris, Aida, Radames, ...). The rear inlay of DG 410 092-2, scanned in the rip at Scans/back.jpg, bills the set as Aida: Katia Ricciarelli / Radames: Placido Domingo / Amneris: Elena Obraztsova, in that order. Setting the three noted roles to Aida, Radames and Amneris per the skills billing convention (title role among the three).

findopera 7792 cast, DG La Scala 1981 (Abbado). Billing convention: three noted roles, the title role among them. Aida (Ricciarelli) and Amneris (Obraztsova) were unbilled while the King of Egypt and Ramfis, both comprimario-weight parts here, carried top billing; the search line and library name were therefore built on Raimondi/Domingo/Ghiaurov. Corrected to Aida, Amneris, Radames. Cast confirmed against the EAC-ripped release in /volume1/Opera/incoming (cue+log, 1981) and https://www.discogs.com/master/56612