Historical clue formulations

• The Everlys' "When Will ___ Loved" — 2015-05-14
• "May ___ excused?" — 2014-03-03
• "Can ___ next?" — 2013-11-24
• "How can ___ sure?" — 2013-04-07
• "May ___ of service?" — 2011-05-30
• "May ___ excused?" — 2011-02-01
• "Can ___ dreaming?" — 2006-09-12
• "Where would ___ without you?" — 2006-05-15
• "May ___ of service?" — 2005-06-28
• "May ___ frank?" — 2004-06-06
• "How Can ___ Sure?" (1967 hit) — 2003-08-23
• "When Will ___ Loved" — 2001-08-08
• "When Will ___ Loved" — 2000-10-10
• "When Will ___ Loved" — 2000-05-28
• "Can ___ dreaming?" — 1999-11-25
• "How Can ___ Sure" (1967 hit) — 1999-11-24
• "How Can ___ Sure" (1967 hit) — 1999-02-21
• The Everlys' "When Will ___ Loved" — 1998-11-22