Possible Clues:

• Chamber work
• Beethoven's 'Appassionata,' e.g.
• Composition from 'Peter Grimes', on at Aldeburgh
• Beethoven's "Hammerklavier," e.g.
• Classical composition for an instrumental soloist, often with a piano accompaniment
• Musical composition for solo instrument
• Piece for one or two instruments
• Hyundai mid-size
• Thus a beat returns in musical performance
• Chopin work