Related Clues:

• Domino with three pips
• 'Don't You Want Me, Baby?' e.g.
• Three
• The Indigo Girls, e.g.
• Half a quartet
• Comic skaters Frick and Frack, e.g.
• Rock's They Might Be Giants, e.g.
• Bill and Hillary Clinton, e.g.
• The Smothers Brothers, e.g.
• It beats a deuce
• Operatic piece
• 'Say Say Say,' say
• Love song, at times
• Unlikely trick taker
• Ark unit