"In Greek mythology, Calliope (/kəˈlaɪ.əpi/ kə-LY-ə-pee; Ancient Greek: Καλλιόπη, romanized: Kalliópē, lit. 'beautiful-voiced') is the Muse who presides over eloquence and epic poetry; so called from the ecstatic harmony of her voice. Hesiod and Ovid called her the "Chief of all Muses".[1]Calliope on an antique fresco from PompeiiMythology[edit]Calliope had two famous sons, Orpheus[2] and Linus,[3] by either Apollo or King Oeagrus of Thrace. She taught Orpheus verses for singing..."