Historical clue formulations

• Fixed, as a piano — 2025-09-22
• In key — 2020-11-15
• In good, playable condition, as a piano — 2019-10-15
• Readied, as a musical instrument — 2017-11-13
• Paying attention, with "in" — 2015-10-02
• Adjusted the pitch of, as an instrument — 2014-09-22
• Ready to be played, say — 2014-04-20
• Listening, with "in" — 2013-08-18
• Ready to play — 2013-02-23
• Ignored, with "out" — 2010-08-27
• Ready to play, you might say — 2008-12-28
• Like good pianos and engines — 2007-09-18
• Like a good-sounding piano — 2007-09-03
• Ready to be played — 2003-05-11
• Like musical instruments — 2003-01-17
• On pitch — 2002-11-05
• Finely adjusted — 1995-11-23