Le tableau parlant
|Role||Voice type||Premiere Cast, September 20, 1769
(Conductor: - )
In the absence of Isabelle's lover Léandre, Cassandre persuades Isabelle to marry him instead. Cassandre leaves and in the meantime Léandre returns and Isabelle changes her mind. She asks Cassandre's portrait for his agreement to the changed state of affairs, only to find that Cassandre himself is concealed behind the picture.