Historical clue formulations

• Congratulations — 2023-09-14
• Some ovations — 2019-07-07
• Chorus of approval — 2014-12-19
• Calls during curtain calls — 2010-11-09
• They may keep the show going — 2007-06-01
• Curtain call eliciters — 2002-04-10
• Curtain call chorus — 2000-06-10
• Calls for Pavarotti — 1998-10-25
• Opera house cries — 1997-08-12
• Menudo's kudos — 1997-02-27
• Daring assassins — 1996-02-23