Related Clues:

• Chorus syllables
• Musical syllables
• Rousing cheer
• Cheery song syllables
• Carefree song syllables
• Song syllables
• Singing syllables
• Skipping syllables
• Part of a refrain, maybe
• Happy-go-lucky song part
• A chorus line?
• Song refrain
• 'Way to go!'
• Refrain syllables
• Bit of a merry refrain