Historical clue formulations

• Music player button — 2025-03-30
• What two sets of dots within double lines indicate, in musical scores — 2022-01-27
• Do over — 2017-12-29
• Previously shown episode — 2015-12-02
• What three-letter words do in five answers in this puzzle — 2014-10-16
• "___ after me ..." — 2013-01-22
• Already-aired episode — 2011-10-19
• Second run — 2011-08-19
• End of shampoo instructions, often — 2010-02-14
• Last word in shampoo instructions — 2009-10-08
• Parrot — 2007-08-14
• It's been seen before — 2004-05-01
• Shampoo bottle instruction — 2002-04-24
• Kind of offender — 1999-10-24
• Meaning of two dots and a bar, in music — 1998-10-11
• Say again — 1997-08-19
• Iterate — 1995-10-02