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 case, "Castor et Pollux" has always been regarded as one of Rameau's finest works. Charles Dill proposes that Rameau had composed the 1737 opera just after working with Voltaire on the opera "Samson" that was never completed, after which he composed "Castor et Pollux" implementing Voltaire's aesthetics. For example, Voltaire sought the presentation of static tableaus that expressed emotion, as in the first act of the 1737 version which begins at the scene of Castor's tomb with a Chorus of Spartans singing "Que tout gemisse", followed by a recitative between Telaire and Phoebe in which the former is grieving