Historical clue formulations

• Return to a theme, as in a symphony — 2020-08-30
• Closing number of a musical, often — 2020-05-01
• Second appearance on a soundtrack — 2010-07-09
• Repeat, as a theme — 2003-11-25
• Longtime record label of Frank Sinatra — 2003-03-01
• Do a second time, as a role — 2002-10-14
• Musical ending, often — 1999-02-05