Historical clue formulations

• "The kissing disease" — 2025-12-22
• "The kissing disease," for short — 2025-08-19
• Old LP format — 2024-12-02
• Prefix from the Greek for "alone" — 2024-11-30
• Audio option — 2024-03-24
• Non-stereo — 2024-02-25
• The "M" of MSG — 2023-07-03
• Prefix with syllabic — 2023-03-22
• "The kissing disease" — 2023-03-05
• Lead-in to syllabic or chromatic — 2022-09-20
• Prefix with -cratic — 2022-08-20
• Not stereo — 2022-05-10
• Like early Elvis records — 2021-05-13
• Common campus health diagnosis — 2021-03-12
• Lead-in to rail — 2020-09-13
• The "M" of MSG — 2020-04-06
• Not stereo — 2019-09-24
• Part of MSG — 2019-09-11
• Like early recordings — 2018-11-22
• Like early Elvis recordings — 2018-05-13
• Like early LPs — 2018-01-29
• One-track — 2017-12-01
• Like old records — 2017-08-11
• Little bit of MSG? — 2017-07-28
• One-track — 2017-03-22
• Like original Buddy Holly and the Crickets recordings — 2017-02-26
• One up front? — 2016-10-15
• Part of MSG — 2016-10-14
• "The kissing disease" — 2016-07-19
• Like early vinyl records — 2015-12-14
• Pre-stereo format — 2015-12-01
• Source of some fevers — 2015-02-06
• MSG ingredient? — 2014-02-15
• One to start? — 2013-12-05
• Teen woe — 2013-05-09
• Like early Elvis albums — 2012-03-06
• Early Beatles songs are in it — 2010-11-07
• Like early Beatles recordings — 2009-04-12
• Not stereo — 2009-03-30
• Precursor to 41-Across — 2008-12-19
• Like the earliest Beatles recordings — 2008-11-17
• Like early Elvis Presley albums, e.g. — 2007-05-31
• With 69-Across, what each set of letters in parentheses represents — 2006-03-02
• One beginning? — 2005-10-21
• Like old recordings — 2005-08-07
• The "M" in MSG — 2004-09-27
• Pre-stereo sound — 2004-04-05
• Like early LP's — 2003-07-08
• Like 1950's recordings — 2003-07-02
• Stereo forerunner — 2002-07-16