Historical clue formulations

• Gene Vincent's "Be-Bop-___" — 2013-04-11
• "Be-Bop-___" — 2010-07-29
• "Be-Bop-___" (Gene Vincent hit) — 2009-01-06
• "Be-Bop-___" (Gene Vincent hit) — 2000-06-11
• "Be-Bop-___" (Gene Vincent hit) — 1999-02-18