Historical clue formulations

• Height: Prefix — 2024-05-07
• Some choir voices — 2019-03-19
• Harmonizers with soprani and bassi — 2018-03-27
• Height: Prefix — 2017-07-25
• Some madrigal singers — 2015-06-21
• Certain choir singers — 2015-04-21
• Certain operatic voices — 2015-02-08
• Certain singers — 2013-06-30
• Some choir members — 2011-04-21
• Prefix with meter — 2010-10-14
• Some chorus members — 2010-07-25
• Some voices — 2009-12-12
• Some singers — 2008-10-10
• High: Prefix — 2007-03-15
• Some choristers — 2006-07-23
• High: Prefix — 2006-01-30
• Some chorus voices — 2006-01-22
• Some singers — 2004-02-14
• Some choir members — 2002-11-28
• Choir singers — 2001-04-29
• Some choir voices — 2000-11-07
• Height: Prefix — 2000-01-29
• Prefix with plane — 1999-08-21
• Prefix with plano — 1998-09-05
• High: Prefix — 1998-03-01
• High: Prefix — 1997-07-17
• Chorus members — 1995-08-27
• Prefix with meter — 1995-05-10
• Some tabernacle singers — 1995-01-14
• Choir members — 1995-01-03
• Choir members — 1994-12-03
• Prefix with meter — 1994-07-12
• Choral voices — 1994-05-04