The first act introduces the lovers Hippolyte and Aricie, as well as the jealous Phèdre. It begins with Aricie's aria "Temple sacré, séjour tranquille", with its solemn and "religious cast". There follows an extensive dialogue in recitative between Aricie and Hippolyte. Rameau's recitative is like Lully's in that it respects the prosody of the words, but it is more (song-like) and has more ornamentation, with wider intervals to increase expressivity. Phèdre then gives vent to her jealousy in the aria "Périsse la vaine puissance". The High Priestess of Diana arrives and sings a highly contrapuntal aria with contributions from the chorus. The (thunder) which ensues is in the French tradition of the musical depiction of meteorological phenomena. The most famous earlier example was in Marais's "Sémélé" (1709). Rameau's music is much more intense, containing "Vivaldian tremolos and rapid scale figures."