Related Clues:

• Quartet when one's out sick
• It's short of a quartet
• See 70-Across
• Quartet minus one
• Destiny's Child, e.g.
• Lounge group, maybe
• Kingston, for one
• Bee Gees or The Stooges, e.g.
• Wynken, Blynken and Nod, e.g.
• Destiny's Child, among others
• Cream, of 1960's rock
• Small group
• Cole's fiddlers, e.g.
• Three-piece ensemble
• The Dixie Chicks, e.g.