Historical clue formulations

• Purchases for some audiophiles — 2026-02-11
• Sound systems — 2023-09-25
• You might put CDs on them — 2018-01-04
• Investments often associated with CDs — 2017-07-01
• Sound systems — 2015-05-18
• Home electronics items — 2015-01-14
• Sound systems — 2013-07-01
• Rock collections may sit beside them — 2013-03-22
• Gear with docking stations — 2012-08-29
• Sound systems — 2010-05-31
• They're often playing at home — 2009-06-27
• Music players — 2008-06-15
• Sound systems — 2006-09-20
• They employ speakers — 2006-01-07
• Pioneer products — 2004-02-15
• Speaker arrangements — 2003-11-30
• Musical equipment — 2003-04-06
• Sound systems — 1998-10-06
• Record holders? — 1998-09-06
• Hi-fis — 1997-04-07
• Musical sets — 1996-10-02
• Den players — 1995-09-22
• Sound investments — 1995-01-29