Historical clue formulations

• Getting down, so to speak — 2015-09-20
• Activity exemplified in the '60s by the ends of 17-, 28-, 48- and 64-Across — 2008-10-28
• Twisting, perhaps — 2003-09-15
• Waltzing, say — 2003-02-03
• "___ Queen" (1-Across song) — 2002-09-18
• Ballroom activity — 2001-07-24