Related Clues:

• Little Boy Blue's instrument
• See 63-Across
• Driver's alert
• Angry motorist's need
• It clears the way
• It's heard in 'Besame Mucho'
• Site of plenty?
• Word with shoe or in
• Car alarm?
• Lisa Simpson plays it
• It may be French
• Marching band instrument
• Reed instrument
• 'Wailing' instrument
• Blast maker