Related Clues:

• Word after horse or before house
• Focus of some buffs
• Music with arias
• ''Faust,'' for one
• 'Otello', e.g.
• Glass work
• Opus
• Phantom's domain
• ''Fidelio'' was Beethoven's only one
• Where glasses may be raised?
• Comic work, perhaps
• 'Carmen', e.g.
• ''Carmen'' or ''Tosca''
• ''Ernani,'' e.g.
• ''Fidelio,'' for one