Historical clue formulations

• Key of Beethoven's "Für Elise" — 2022-03-25
• Key of Mozart's "Odense" Symphony — 2018-07-15
• Key with no sharps or flats — 2016-03-28
• Key of Grieg's only piano concerto — 2014-10-12
• "Für Elise" key — 2013-02-06
• Key of the "Odense" Symphony — 2011-07-17
• "Für Elise" setting — 2011-06-04
• Key of Beethoven's "Für Elise" — 2010-01-27
• C relative — 2009-01-10
• Key of Beethoven's "Für Elise" — 2008-09-13
• Relative key of C major — 2007-10-17
• Key of Beethoven's "Für Elise" — 2007-06-03
• Key of Mozart's "Odense" Symphony — 2005-11-17
• Key with no sharps or flats — 2004-09-24
• Key of Mendelssohn's Symphony No. 3 — 2001-04-29
• Key of Mozart's "Odense" Symphony — 2000-10-26
• Grieg's piano concerto is in it — 2000-05-13
• Key of Mendelssohn's Symphony No. 3 — 1998-07-26
• Key of Mendelssohn's Symphony No. 3 — 1998-02-01