Historical clue formulations

• Repeated sounds in "Hey Jude" — 2025-07-09
• Refrain syllables — 2017-12-08
• Refrain syllables — 2013-12-30
• Repeating part of "Hey Jude" — 2012-06-10
• Refrain bit — 2011-10-09
• "Hey Jude" sounds — 2010-06-20
• Lyric stand-in, perhaps — 2008-05-31
• Repeated sounds in "Hey Jude" — 2007-07-29