Related Clues:

• Fret and fume
• Become vexed
• Be hot and bothered
• Guitar player's guide
• Agonize (over)
• Be anxious
• Hassle
• Ukulele feature
• Big commotion
• Chafe
• Raised area on a neck?
• Get all worked up
• Fingerboard part
• Guitar guide
• Worry (about)