Historical clue formulations

• Showed off on an instrument — 2025-05-11
• Achieved a flight training milestone — 2022-11-13
• Went it alone — 2021-12-01
• Relied on no one else — 2020-03-29
• Went it alone — 2016-01-06
• Performed a cadenza, e.g. — 2011-03-03
• Made an individual effort — 2010-04-04
• Was helpless? — 2010-03-14
• Performed without help — 2008-09-03
• Went at it alone — 2008-01-29
• Did an aria — 2006-01-05
• Performed a cadenza, e.g. — 2003-02-21
• Went alone — 2001-07-22
• Flew alone — 1997-05-12