Historical clue formulations

• Eighth Avenue express line in N.Y.C. — 2026-06-07
• Subway line toward New York's Kennedy Airport — 2023-04-30
• "Take the ___" (Duke Ellington classic) — 2023-01-10
• Transportation in a Duke Ellington classic — 2022-11-19
• With 26-Down, repeated occurrences of things in turn — 2022-10-06
• Transport in a Billy Strayhorn standard — 2022-06-12
• New York City transport stopping at Kennedy Airport — 2021-12-26
• Transportation in a Duke Ellington tune — 2021-07-13
• Way to get to Harlem, per Duke Ellington — 2019-11-17
• Transport to Sugar Hill, in a classic song — 2019-05-12
• Transport "to Sugar Hill way up in Harlem" — 2018-05-27
• Duke Ellington's "Take the ___" — 2016-11-16
• What to "take" in a Duke Ellington song — 2015-10-26
• Transport in an Ellington tune — 2015-05-27
• Duke's transportation? — 2015-01-01
• Conveyance in an Ellington song — 2012-11-27
• Transportation to Sugar Hill, in a 1941 song — 2011-10-01
• "Quickest way to Harlem," in song — 2010-11-27
• Transport in Duke Ellington's theme song — 2009-01-13
• Title transport in a 1941 song — 2008-12-26
• Transportation in a 1941 hit song — 2006-01-13
• Musical transport — 2000-09-22
• Vehicle for Duke Ellington — 1999-12-21
• Transport to Sugar Hill — 1997-03-13
• Way to Brooklyn or Broadway, in song — 1994-09-10
• "Take the _____" — 1994-04-21