Historical clue formulations

• Small piano — 2023-02-26
• Small piano — 2022-12-19
• Small piano — 2021-09-08
• Small piano — 2021-06-29
• Small parlor piece — 2016-11-05
• Small piano — 2014-06-17
• Small piano — 2013-03-27
• Small piano — 2009-07-01
• Small harpsichord — 2007-11-22
• Grand alternative — 2006-04-22
• Upright cousin — 2006-03-31
• Small piano — 2004-09-30
• Upright — 2003-10-03
• Keyboard instrument — 2002-03-16
• Small piano — 2000-12-17
• Upright — 1998-09-11
• Small piano — 1996-08-06
• Small piano — 1994-08-16
• Downsized upright — 1994-01-08