Related Clues:

• It might be on a stickie
• Meeting reminder, say
• Note start of month has new moon, occasionally
• Company message
• Short note passed around the office
• Bad thing to miss
• 'To: All Staff' note
• The setter goes before second reminder
• Note doctor put next to case of medicine
• Note echoing in some music
• Some loathsome manager sent round note
• Sticky note, maybe
• Officewide note
• Jotted reminder
• "Someone didn't get the __"