Historical clue formulations

• Narrow passage: Abbr. — 2025-01-17
• Orch. section — 2023-07-08
• Philharmonic sect. — 2021-01-02
• Orch. section — 2019-08-30
• Orch. section — 2018-11-14
• Symphony section: Abbr. — 2018-06-28
• Narrow passage: Abbr. — 2017-04-30
• Orch. section — 2017-03-07
• The Bosporus, e.g.: Abbr. — 2016-09-25
• Orch. section — 2016-06-01
• Narrows: Abbr. — 2015-02-20
• Orchestra section: Abbr. — 2014-08-28
• Bering ___: Abbr. — 2014-01-05
• Orch. section — 2012-10-17
• Orch. section — 2012-10-07
• Orch. section — 2012-09-02
• Orch. section — 2012-07-18
• Symphonic score abbr. — 2012-01-28
• Orchestra section: Abbr. — 2011-11-06
• Bering, for one: Abbr. — 2011-03-29
• Orch. section — 2009-12-23
• Orch. section — 2009-11-15
• Philharmonic sect. — 2009-10-18
• Atlas abbr. — 2009-09-25
• Orch. section — 2009-07-15
• Naval chart abbr. — 2009-05-08
• Orchestra sect. — 2008-07-06
• Narrow passage: Abbr. — 2008-06-19
• Orch. section — 2008-03-02
• Orch. section — 2008-01-16
• Narrows: Abbr. — 2007-10-19
• Symphony score abbr. — 2006-10-20
• Orch. section — 2006-07-18
• Sailors' passage: Abbr. — 2004-09-23
• Orch. part — 2004-09-11
• Narrow water passage: Abbr. — 2004-08-09
• Orch. section — 2004-07-21
• Orch. section — 2004-04-21
• Bering, e.g.: Abbr. — 2004-01-20
• Geog. feature — 2003-09-26
• Narrow connector: Abbr. — 2003-07-24
• Narrow waterway: Abbr. — 2003-02-17
• Orchestra sect. — 2003-02-02
• Narrow sailing rte. — 2002-07-31
• Gibraltar, for one: Abbr. — 2001-11-24
• Atlas abbr. — 2001-01-05
• Bering ___: Abbr. — 2000-07-05
• Orch. section — 2000-06-04
• River boat: Abbr. — 2000-03-02
• Bering, e.g.: Abbr. — 1998-11-04