Historical clue formulations

• Kind of harp — 2018-03-18
• Windblown — 2017-01-06
• Wind-blown — 2015-07-02
• ___ harp — 2010-09-19
• Windblown — 2010-08-15
• Kind of harp — 2006-12-31
• Wind-blown — 1996-03-03
• Kind of harp — 1995-10-21