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
Nine Muses (group) and Keumjo for a summer comeback. On October 4, 2016, the agency announced that Hyuna had graduate from the group after six years of activity due to the expiration of her contract. Nine Muses remained as a four-member group due to Sungah taking hiatus to pursue her work as a disk jockey. The group released their sixth extended play "Muses Diary Part. 2: Identity" on June 19, 2017. It was the second release of the "Muses Diary" series from their debut album under Nine Muses A. It charted on Gaon Album Charts at number 5 and at number 15 on