| 2024-03-21 | Apt key for a musical prodigy? |
| 2022-03-25 | Key of Beethoven's "Für Elise" |
| 2019-02-17 | Key of Beethoven's "Für Elise" |
| 2018-07-15 | Key of Mozart's "Odense" Symphony |
| 2016-03-28 | Key with no sharps or flats |
| 2014-10-12 | Key of Grieg's only piano concerto |
| 2013-02-06 | "Für Elise" key |
| 2011-07-17 | Key of the "Odense" Symphony |
| 2011-06-04 | "Für Elise" setting |
| 2010-01-27 | Key of Beethoven's "Für Elise" |
| 2009-01-10 | C relative |
| 2008-09-13 | Key of Beethoven's "Für Elise" |
| 2007-10-17 | Relative key of C major |
| 2007-06-03 | Key of Beethoven's "Für Elise" |
| 2005-11-17 | Key of Mozart's "Odense" Symphony |
| 2004-09-24 | Key with no sharps or flats |
| 2001-04-29 | Key of Mendelssohn's Symphony No. 3 |
| 2000-10-26 | Key of Mozart's "Odense" Symphony |
| 2000-05-13 | Grieg's piano concerto is in it |
| 1998-07-26 | Key of Mendelssohn's Symphony No. 3 |
| 1998-02-01 | Key of Mendelssohn's Symphony No. 3 |