Historical clue formulations

• Sing-along activity at a bar — 2025-06-16
• Activity done while reading a screen — 2021-02-23
• Literally, "empty orchestra" — 2019-07-23
• Bar activity — 2016-11-11
• Something that may have bad keys — 2015-09-27
• Drinking songs? — 2015-07-26
• Bars in a bar? — 2014-08-15
• Sing-along at a bar — 2012-01-23
• Bar activity — 2010-12-26
• Draw of some bars — 2010-05-30
• Bar activity — 2010-02-21
• Word derived from Japanese for "empty orchestra" — 2009-04-07
• Sing-along, of sorts — 2005-09-21
• Bar sing-along — 2005-04-28
• Literally, empty orchestra — 2001-07-27