Related Clues:

• Pop music's TLC, e.g.
• Quartet after a desertion
• Small band
• More than twice
• The Fugees, e.g.
• Small combo
• C-E-G, e.g.
• Three-horse carriage
• Minuet follower
• Peter, Paul and Mary, e.g.
• Peter, Paul & Mary, e.g.
• Group of three
• Kingston, e.g.
• 17-Across
• Quartet when one's out sick