Related Clues:

• Slayer of the Python
• Calliope's sister
• Son of Leto
• Sister of Urania
• Space craft
• Harlem theater
• Sister of Thalia
• Inspiration for poets and musicians
• Greek poetry muse
• Clio's sister muse
• A-muse?
• Bard's inspiration
• Artemis' twin
• Sister of 42-Across
• One of the Muses