Sarah Siddons as the Tragic Muse paintings of Melpoméne, she is represented with a tragic mask and also often holds in her other hand a knife or club. In Greek mythology, she is the daughter of Zeus and Mnemosyne, who had eight other daughters, Melpoméne's sisters and the eight other muses are: Calliope, muse of epic poetry; Clio, muse of history; Euterpe, muse of flute playing; Terpsichore, muse of dancing; Erato, muse of erotic poetry; Thalia muse of comedy; Polyhymnia, muse of hymns; and Urania, muse of astronomy. Reynolds was inspired not only by Sarah Siddons' extreme talent to embody the tragic heroine in Macbeth, but
Greek chorus the sense 'I am dancing'. The word "ode" means not something recited or declaimed, but 'a song'. The 'orchestra', in which a chorus had its being, is literally a 'dancing floor'." From this, it can be inferred that the chorus danced and sang poetry. Plays of the ancient Greek theatre always included a chorus that offered a variety of background and summary information to help the audience follow the performance. They commented on themes, and, as August Wilhelm Schlegel proposed in the early 19th century to subsequent controversy, demonstrated how the audience might react to the drama. According to Schlegel,