Related Clues:

• Big musical group
• Double quartet
• Lounge group, sometimes
• Duo plus one
• Duo quadrupled
• Destiny's Child, for example
• The Brady Bunch, e.g.
• Small singing group
• Certain singing ensemble
• The Stooges, for one
• Eightsome
• Four pairs
• Not quite a quartet
• Charlie's Angels, e.g.
• The Chipmunks, e.g.