Related Clues:

• The Eight Immortals, for one
• Big musical group
• Double quartet
• Duo quadrupled
• Black billiard ball
• The Brady Bunch, e.g.
• Rowers
• Eightsome
• Four pairs
• Septet plus one
• Largish chamber group
• What 'octo-' means
• Large combo
• Octet number
• Quartet doubled