Historical clue formulations

• "Sk8er ___," 2002 top 10 hit — 2012-07-08
• Avril Lavigne's "Sk8er ___" — 2011-11-08
• "Sk8er ___" (2002 top 10 hit) — 2010-10-29
• Avril Lavigne's "Sk8er ___" — 2010-05-11