Historical clue formulations

• Simon & Garfunkel hit in which "Lie-la-lie, lie-la-lie la lie-la-lie" is repeatedly sung — 2021-03-09
• 1969 Simon & Garfunkel hit in which "lie-la-lie" is repeatedly sung — 2016-07-14
• Simon & Garfunkel hit after "Mrs. Robinson" — 2008-01-19