Related Clues:

• Two-some
• Composition for two
• Half of 7-Down
• The White Stripes, e.g.
• The Smothers Brothers, for one
• You and me, e.g.
• Dynamic ___
• A two-piece?
• Love song, often
• Music's Tears for Fears, e.g.
• ''Up Where We Belong,'' for one
• Simon and Garfunkel, e.g.
• Music's Eurythmics, e.g.
• Small singing group
• Matched set