Related Clues:

• Sharp or flat, e.g.
• D sharp, say
• Issue at the ATM
• Post-it scribble
• Pay attention to short written message
• Do, re, me, fa, so or la?
• What might be passed in class
• Whole or half thing, in music
• Quick scribble
• "___ to self ..."
• __ to self
• Scribbled reminder
• Bit of critique
• A, B or C#