Historical clue formulations

• Much-covered New Orleans standard based on Mardi Gras chants — 2021-10-09
• 1965 hit for the Dixie Cups — 2014-11-05
• Mardi Gras song that was a 1965 hit for the Dixie Cups — 2009-05-09
• 1965 Dixie Cups hit — 1998-08-12