Related Clues:

• Not what it appears to be
• Misleading
• Not for real
• Opera interrupter of note
• Lloyd-Webber hit, for short
• Apparent
• Like a mirage
• Eerie figure
• *B'way hit beginning in '88
• Musical's masked man
• Ghostly figure
• Spectre
• Fanciful, imaginary (8)
• Ghost of the Opera
• Ghost, spectre