Historical clue formulations

• Pennsylvania N.L. team, familiarly — 2020-01-29
• N.L. East team, to fans — 2015-08-23
• Pennsylvania N.L.'ers — 2015-06-07
• 2008 World Series winners, to fans — 2014-07-12
• N.L. East team, informally — 2013-03-22
• Pop music's Collins and Spector — 2012-08-29
• Singer Collins and others — 2009-07-12
• Singers Ochs and Collins — 2007-02-05
• Collins and Donahue — 1997-11-25
• Singers Collins and Ochs — 1994-12-06