Related Clues:

• Kingston --
• The witches in 'Macbeth,' e.g.
• Wooden shoe sailors, e.g.
• Andrews Sisters, e.g.
• Rock's Green Day, for one
• Small musical ensemble
• 'Pop, culture, TV' network
• Quartet with a defection
• ''The Three Tenors,'' for example
• Chamber-music group
• Lounge group, perhaps
• Men in a tub, e.g.
• String ensemble
• Certain chamber group
• Crosby, Stills & Nash, e.g.