Historical clue formulations

• Sad, in French or Spanish — 2018-05-27
• Sad, in San Juan — 2018-04-15
• Sibelius's "Valse ___" — 2017-05-14
• Sad, to Sade — 2015-04-14
• Blue, in Burgundy — 2014-06-07
• Sad, in Paris — 2013-04-23
• Sorrowful — 2010-03-05
• Melancholy — 2009-03-08
• Mournful — 2008-03-23
• Sad — 2007-02-03
• Mournful — 2007-01-20
• Sibelius's "Valse ___" — 2004-06-06
• See 32-Down — 2003-02-18
• Sibelius's "Valse ___" — 2000-01-02
• Melancholy — 1996-07-29
• Sorrowful — 1996-07-26
• Melancholy — 1996-05-05
• Sibelius's "Valse ____" — 1995-08-09
• Sibelius's "Valse _____" — 1995-04-29
• Sad, to Sade — 1993-12-12