Related Clues:

• Short written messages
• Crotchets, minims etc
• Records musical symbols
• *IRA investment options
• Pays attention to musical sounds
• Doesn't work or play
• They're graphically represented three times in this grid ... and the answers to starred clues are the six longest common words than can be spelled using only them
• Student's scribblings
• Stops introducing evidence
• Gets some shut-eye
• Sits one out
• Goes on leave, say
• Isn't working
• Do, re and mi, etc
• Intervals of inactivity