Related Clues:

• Quartet doubled
• 'The Light in the Piazza' song
• Square-dance group
• ''Maids a-milking'' group, e.g.
• Quarts in a peck, e.g.
• Ennead minus 1
• Ska band, perhaps
• Phases of the moon, say
• Good-sized ensemble
• Two quartets
• String group, maybe
• Two quartets combined
• Santa's reindeer, minus Rudolph
• Two trios + one duo
• The Juilliard and the Budapest combined