Related Clues:

• Group that's very vocal?
• Start of a musical refrain
• Singing group
• Repeated part
• Refrain part, perhaps
• ''Mikado'' refrain
• "...bloom in the spring, ---"
• Light refrain
• Refrain fragment
• Familiar refrain
• Group of singers
• Cheery chant
• Syllables sung while skipping
• Lilting syllables
• Singsong words