Related Clues:

• Lounge group, sometimes
• Dynamic ___
• Duo plus one
• Music's Tears for Fears, e.g.
• Simon and Garfunkel, e.g.
• Destiny's Child, for example
• Music's Eurythmics, e.g.
• Small singing group
• Certain singing ensemble
• The Stooges, for one
• Not quite a quartet
• Charlie's Angels, e.g.
• The Chipmunks, e.g.
• Matched set
• Mother Goose's mice, e.g.