Related Clues:

• Touch, say
• Pick up on
• Aria area
• Wall Street type
• Business person
• Paris landmark, with 'L''
• Musical works
• Wall Street worker
• Feel in one's bones
• It may be common
• Work for Moffo or a buffo
• Detect
• 'Falstaff' or 'Fidelio'
• See 1-Down
• Perspicacity