Related Clues:

• Kingston group
• Tom, Dick, and Harry for one
• Cream was one
• "Jeopardy!" contestants, e.g.
• Sextet X .5
• "Jeopardy!" contestants, collectively
• Jazz group, often
• The Fleetwoods, for example
• Singing group
• ZZ Top, musically
• Lounge group, sometimes
• Duo plus one
• Destiny's Child, for example
• Small singing group
• Certain singing ensemble