Related Clues:

• 'O' in old radio lingo
• Clarinet cousin
• Wind instrument
• The duck in 'Peter and the Wolf'
• ___ d'amore
• Cousin of the English horn
• Upright, e.g.
• See 24-Across
• 'Eighty-eight'
• Word from the French for 'high wood'
• Bassoon's cousin
• Orchestra part
• Philharmonic part
• Kind of bar
• Cousin of a bassoon