Related Clues:
- Singers' syllables
- Singer's syllables
- Merry refrain
- Airy refrain
- Nonsense syllables of song
- Alternative to humming?
- They often precede las
- Part of a merry refrain
- Vocalizer's syllables
- Syllables in a gay refrain
- Refrain from singing when you're happy?
- Cheerful refrain
- Carefree syllables
- An American in Paris song
- 'I haven't a care in the world'