Related Clues:

• Big musical group
• Double quartet
• Duo quadrupled
• The Brady Bunch, e.g.
• Eightsome
• Four pairs
• Septet plus one
• Trio, squared
• Largish chamber group
• Zero safety precautions, tightrope-wise
• Large combo
• Triple trio
• Quartet doubled
• 'The Light in the Piazza' song
• Square-dance group