Historical clue formulations

• G.I. morale booster — 2024-08-04
• Entertainment with a private audience? — 2021-12-26
• Uniform entertainment? — 2018-07-22
• Hope was once its driving force — 2018-01-13
• Entertainment for general audiences? — 2016-08-19
• One going around the bases? — 2013-12-20
• Private performances? — 2013-02-21
• Shows near the front? — 2010-05-30
• Circuit well-trod by 8-Across — 2003-08-13