Possible Clues:

• Many a Chopin piece
• Practice room fodder
• Piece to practice
• Chopin or Farrenc piece
• Short composition
• Practice piece for an instrument
• Unsuk Chin's 'Piano ___ No. 6 (Grains)'
• Exercise that works the fingers
• Chopin wrote a "Revolutionary" one
• Chopin wrote a 'Revolutionary' one