Related Clues:

• Duo with a third wheel
• "Jeopardy!" contestants, e.g
• Anagram of "riot"
• Small musical band
• The Three Stooges, e.g
• Song for three
• Quarts in a peck, e.g
• The Magi, e.g
• Anagram for "riot"
• Square dance group, e.g
• Santa's reindeer, e.g
• Three with close harmony, e.g
• Three in key
• Singing group of three
• Chamber-music piece