Douglas Darden laughter was the laughter of three young girls, who were, in essence, their clients: the fourteen year-old twins, Cass and Polly, and their nineteen-year-old friend, Helen. Cass and Polly are most likely feminized renderings of the celestial twins of Greek mythology, Castor and Pollux (better known as Gemini), and their sister, Helen of Troy. Many of his original sketches and drawings for Oxygen House are now owned by the Museum of Modern Art, along with a select few of "Sex Shop" drawings; gifts of Darden's widow. The remainder of his drawings are held at the Avery Architectural and Fine Arts
Castor et Pollux the loss of her lover Castor, and culminating in Telaire's lament aria "Tristes apprets". Dill notes that in contrast, the 1754 version begins with much more background behind the story of Telaire's love for Castor and depicts his death at the end. The events in Act I of the 1737 version appear in Act II of the 1754 version. Dill claims that Voltaire was more interested in music than action in opera. Moreover, Dill notes a difference in the plots between in the two versions. In the 1737 version, the main concern is for the moral dilemma between love and