Related Clues:

• Small choir
• 38-Down, for example
• Rock music's Police, e.g.
• The Supremes, e.g.
• Jazz combo, often
• Chamber group, maybe
• Musical composition
• Eight is enough for this
• Crosby, Stills and Nash, e.g.
• Chamber group, perhaps
• Musical eightsome
• Run-D.M.C., e.g.
• The Magi, e.g.
• Serenaders, possibly
• Beethoven piano piece