Related Clues:

• Take control of
• Act the worrywart
• Guitar bar
• Monopolize one's mind
• Anguish
• Become vexed
• Worry compulsively
• Guitar player's guide
• Agonize (over)
• Be anxious
• Ukulele feature
• Haunt one's mind
• Chafe
• Raised area on a neck?
• Get all worked up