Possible Clues:

• 'E might make duets of such compositions
• Sue Ted over short musical compositions
• Chopin's 'Raindrop' and 'Butterfly,' e.g.
• Compositions that 'e might have duets about
• Certain Chopin works
• In the duets 'e makes different music
• Some musical compositions
• Pieces for piano class
• Pianists' dexterity improvers
• Piano student's assignments