Related Clues:

• See 37-Down
• Singing syllables
• Skipping syllables
• See 70-Down
• In ___ land (spaced out)
• See 41-Down
• Song bit
• A chorus line?
• 'I don't know the words' chunk
• Song refrain
• 'I forget the words' bit
• Refrain syllables
• Refrain bit
• ___ land
• ("I can't remember the words...")