Related Clues:

• Memory jogger
• A security
• Do, re or mi
• Semiquaver, e.g.
• Do on a scale
• A,B,C or D
• Record, in a way
• Signify
• One on a staff
• Reminder
• Lines left on the fridge
• Government certificate
• TAKE DOWN
• Part of a score
• A flat, e.g.