Related Clues:

• 1982's 'Ebony and Ivory,' e.g
• Work for two
• Two-piece bedcover, very defective
• Work for two performers
• Bedcover very defective - two share it
• Work for a couple expected to have little time
• Paired performance
• Performance by company, perhaps, expected ahead of time
• Piece for brace fitting top of tooth
• Work for two players
• You can't do it alone
• Righteous Brothers hit, e.g
• Performance by two
• Two performing together
• Sort of performance expected to take time