Historical clue formulations

• "Too-Ra-Loo-Ra-Loo-___" (Irish lullaby) — 2012-08-30
• 1960s Elvis-style singer ___ Donner — 2008-05-02
• N.C.'s capital — 2006-01-05
• "Too-ra-loo-ra-loo-___" — 2005-12-13
• "Too-Ra-Loo-Ra-Loo-___" (lullaby) — 2004-11-05
• "Too-ra-loo-ra-loo-___" — 1999-12-30
• "Too-Ra-Loo-Ra-Loo-___" — 1997-02-09