Historical clue formulations

• Jazz sobriquet — 2023-12-08
• "Hello, Dolly!" singer, informally — 2017-05-17
• "___ Serenades" (1952 jazz album) — 2015-06-19
• "Hello, Dolly!" jazzman — 2007-09-18
• 1957 four-LP jazz set subtitled "A Musical Autobiography" — 2006-09-01
• Louis Armstrong, informally — 1999-10-21