Related Clues:

• Group with three singers
• The Dude, Walter, and Donny, e.g., at least as a bowling team
• Cream, for example
• The Ronettes, e.g
• Soloist plus two
• The witches in 'Macbeth,' e.g
• "The Three Tenors," e.g
• The Rice Krispies mascots, e.g
• The Stooges, by census
• The Jimi Hendrix Experience, e.g
• Common jazz combo
• Quartet with an absence
• Bee Gees or the Stooges, e.g
• Tom, Dick and Harry, e.g
• Work for three