Related Clues

• Semiquaver, e.g.
• Form of a thank-you
• Quaver, e.g.
• Bit of marginalia
• Do, re or mi, e.g.
• It can fall flat
• Short letter
• Score unit
• Memo
• See 42-Across
• T or C follower
• Post-It
• Do, say
• E or G, e.g.
• Observe
• Reminder
• Any letter from A to G
• Post-It, e.g.
• Blue ___ (flatted third or seventh)
• Distinction