Possible Clues:

• Quick learner, free from affectation
• Unspoilt old city in South African region
• Unaffected; off-white
• Unsophisticated character on the staff
• Neither above nor below true pitch. That's normal
• Instinctive; normal
• 7 or 11, in Vegas
• Like sugar vis-à-vis Equal
• Frank, twenty-one, takes note
• Normal - genuine