Le mélange du sacré et du profane dans les livrets de tragédies lyriques du librettiste Nicolas-François Guillard (1752-1814)

Nicolas François Guillard (1752-1814) was one of the best librettists of the Tournant des Lumières. The libretto of Proserpine by Quinault, set to music by Lully at the end of the seventeenth century, was adapted by Guillard and once again set to music by Giovanni Paisiello in 1803. Six years later, in 1809, La Mort d’Adam, adapt-ed by Guillard from Friedrich Gottlieb Klopstock’ Der Tod Adams (1757), was set to music by Jean-François Lesueur. These rewritings, with religious or sacred topics staged for a secular theatre by Guillard, are very different from the original works and tend to be family dramas: he then transforms them into secular works with secular content. Human sacrifices are present in these works but seem to feature here for family reasons and not only for religious purposes. Divinities are presented by the librettist as human beings, whose family roles are predominant. The sacred and the profane are mixed in these two librettos, changed into hybrid works. Guillard seems to use the same model to adapt historical, mythological or religious works, which means that the role and the impor-tance of the religious in the works staged at the Académie Impériale de Musique in the period of the Tournant des Lumières has to be examined.