Historical clue formulations

• "April Love" singer, 1957 — 2014-12-02
• Onetime General Motors spokesman — 2011-03-25
• Singer with the #1 hit "Don't Forbid Me" — 2002-11-29
• "Love Letters in the Sand" singer — 1999-09-29
• "Ain't That a Shame" singer, 1955 — 1994-06-25