Historical clue formulations

• Sing like Sinatra — 2026-06-26
• Sing like Michael Bublé — 2026-05-15
• Sing like Perry Como or Mel Tormé — 2025-05-02
• Sing like Nat King Cole — 2023-04-12
• Sing smoothly — 2021-12-21
• Serenade, maybe — 2019-11-15
• Try Sinatra at karaoke, say — 2019-05-19
• Sing like Dean Martin — 2018-11-26
• Sing to a baby, maybe — 2018-06-16
• Sweetly sing — 2017-10-08
• Sing smoothly — 2017-06-27
• Emulate Bing Crosby — 2015-04-07
• Sing with dulcet tones — 2014-06-11
• Sing like Bing Crosby — 2014-06-09
• Emulate Harry Connick Jr. — 2014-04-27
• Produce sentimental notes? — 2014-03-08
• Perform "All of Me," say — 2011-09-03
• Perform Hawaiian music, say — 2011-07-24
• Sing like Bing Crosby — 2009-11-30
• Sing like Andy Williams or Russ Columbo — 2009-10-01
• Sing "The Moon Got in My Eyes," e.g. — 2009-02-08
• Sing like Bing — 2008-11-17
• Sing softly — 2005-04-25
• Sing like Crosby — 2003-12-15
• Sing like Bing — 2000-12-06
• Sing like Connick — 1999-07-02
• Sing softly — 1998-05-12
• Sing like Bing — 1995-10-31
• Hum soothingly — 1995-08-24
• Imitate Crosby — 1994-08-14