Related Clues:

• Half a Beatles nonsense title
• Start of a 'White Album' title
• Lead-in to 'di' or 'da' in a Beatles song
• Preceder of 'di' or 'da' in a Beatles song
• Bit before 'di' or 'da' in a Beatles song
• Nonsense syllables preceding '-di' or '-da' in a Beatles song
• First half of nonsense Beatles song title
• "___, Ob-La-Da"
• First half of a Beatles title