The plot is taken and many scenes are literal translations from Casimir Delavigne's celebrated comedy of "Don John of Austria" (Don Juan d'Autriche).[2]
It has been produced only twice since: two performances (12 and 14 September 1997) at Spitalfields, London, by Spitalfields Market Opera with The Chelsea Opera Group directed by Philip Parr and conducted by Alexander Briger,[4] and semi-staged performances on 18 and 20 October 2007 – in two acts – at the City Recital Hall, Angel Place, Sydney, also conducted by Briger.[5]
Nathan's original orchestration has been lost and Nathan's great-great-great grandson, the conductor
Sir Charles Mackerras, created a new orchestration.[6] Alexander Briger is a nephew of Mackerras, and Nathan's great-great-great-great grandson.[1]
The libretto follows Delavigne's 1835 Don Juan d'Autriche fairly closely, except for the addition of a scene near the end with Agnes alone, where she sings "They tell us that a home of light there is, where praying seraphs glow".[1]
In fact the opera's plot is in many ways an inversion of Fromental Halévy's opera La Juive (libretto by Eugène Scribe). In the latter, the male lover is precluded from having an affair with his inamorata because she is Jewish, whilst he is a high-born Christian; later it turns out that she was Christian all along, but all ends tragically. In Don John, in a similar situation, it turns out that the 'high-born Christian' is in fact of Jewish descent, and all ends happily.