Related Clues:

• Start of a musical refrain
• "Holy cow!"
• Refrain start
• ''__ la la!''
• 'Sweet!'
• 'That's gotta hurt!'
• Cry at a light show
• '-- -la-la!'
• Singsong sound
• Amazed exclamation
• Amazed cry
• Response to fireworks
• 'Look at that!'
•     Sung syllable
• ''Awesome!''