Historical clue formulations

• Relationship conditions, so to speak — 2023-06-25
• Big part of an orchestra — 2018-07-01
• Series — 2011-09-16
• Conditions — 2011-02-25
• Hidden conditions — 2005-08-18
• Pops section — 2002-09-12
• Composition of some quartets — 2002-01-06
• They take bows — 1998-09-19
• "Elevator music" music — 1994-05-29