Historical clue formulations

• Again — 2024-01-13
• Another time — 2014-02-21
• Again — 2013-03-11
• Again — 2012-08-05
• Over — 2008-08-15
• Over again — 2002-12-17
• Piano teacher's request, maybe — 2000-09-03
• Over — 1997-05-03