Historical clue formulations

• "Everyone's accounted for" — 2023-07-06
• "Everyone's arrived now" — 2018-04-26
• Like the gang, in an old song — 2012-02-02
• "Everything's accounted for" — 2011-03-31
• Fully focused and attentive — 2010-05-17
• "None missing" — 2004-10-13
• Like the gang, in song — 1997-04-20