Le duc de Guise  The opera, which centres on the assassination of the Duc de Guise in 1588, was the third and last of Onslow's operas to be produced. The text and music were well received by the audience, but Gérard de Nerval complained in a review that they had not offered Jenny Colon the opportunity to display her talents. Onslow made an arrangement of extracts of the opera for string quartet (his Op. 60). Notes Sources