Related Clues:

• Many crossword puzzles have one
• Cygnet's destiny
• Wailing warning
• '___ Lake'
• Lorelei, for one
• Erstwhile ugly duckling
• Ugly duckling, later on
• Ambulance accessory
• Cygnet's parent
• __ time (temporarily)
• Public assemblies
• Graceful dive
• Tchaikovsky's "--- Lake"
• That's the point
• Movie music