Historical clue formulations

• Food brand with a rabbit mascot — 2024-05-23
• John Denver's "___ Song" — 2010-03-10
• "___ Song" (John Denver #1 hit) — 2007-07-30
• "___ Song" (John Denver tune) — 2007-07-10
• "___ Song" (#1 John Denver hit) — 2002-07-14
• "___ Song" (John Denver hit) — 1997-03-21
• John Denver's "_____Song" — 1994-07-08