Historical clue formulations

• December air — 2026-09-10
• Song commonly performed outdoors — 2025-12-26
• Apt name for a December baby — 2025-04-17
• "Angels We Have Heard on High," e.g. — 2024-05-31
• Go a-wassailing — 2023-05-17
• Winter air — 2022-03-25
• Air when it's cold outside? — 2016-08-11
• "Oliver!" director Reed — 2016-07-10
• "God Rest Ye Merry, Gentlemen," e.g. — 2015-12-13
• Christmas song — 2014-09-08
• Number by a door? — 2014-08-31
• Yule song — 2013-03-04
• Go door to door, possibly — 2012-11-23
• Joyful tune — 2011-11-16
• "Do You Hear What I Hear?," e.g. — 2011-07-31
• Number of holidays? — 2011-06-09
• Air traveling over snow? — 2010-11-13
• "___ of the Bells" (holiday favorite) — 2009-11-26
• "Good King Wenceslas," e.g. — 2009-04-05
• "Deck the Halls," e.g. — 2007-05-28
• Seasonal air — 2007-02-07
• Song often sung outdoors — 2006-09-27
• Song of joy — 2006-03-30
• "O Come, O Come Emmanuel," e.g. — 2005-04-01
• Yule tune — 2004-11-30
• Noel — 2004-01-19
• "Deck the Halls," e.g. — 2002-08-19
• "O Sanctissima," e.g. — 2002-07-19
• Christmas ___ — 2002-02-03
• "Good Christian Men, Rejoice," e.g. — 2001-07-19
• Go door to door, perhaps — 2000-10-11
• "God Rest Ye Merry, Gentlemen," e.g. — 1999-11-01
• The Brady Bunch mom — 1999-08-04
• Seasonal song — 1998-12-09
• Noel — 1998-05-30
• Part of a candlelight ceremony, maybe — 1997-09-07
• Wassailers' song — 1995-08-10
• Entertain from house to house — 1994-06-22
• Sing door-to-door — 1994-04-14