Related Clues:

• Challenge in a piano lesson
• Long-armed entity
• Chopin's ''Winter Wind,'' for one
• Supreme Court's sphere
• __ of averages
• Brief subject
• Something in a code
• Judge's field
• Exercise on the keys
• "Order" partner
• Practice piece for Chopin
• Exercise done while pedaling
• Practice piece of music
• Barrister's bailiwick
• One might cover lemons