Historical clue formulations

• Pete who co-wrote "If I Had a Hammer" — 2026-01-25
• Folk legend Pete — 2018-03-12
• Folk singer Pete — 2016-12-12
• Pete who co-wrote "If I Had a Hammer" — 2016-04-05
• Big name in folk music — 2013-06-29
• Folk singer Pete — 2013-06-25
• Composer of the song "Guantanamera" — 2004-11-13
• "Where Have All the Flowers Gone?" singer — 2001-09-07
• "Turn! Turn! Turn!" songwriter — 2001-03-24
• "If I Had a Hammer" singer — 1996-03-28