Historical clue formulations

• Loud metallic sound — 2025-07-04
• Metallic sound — 2024-08-18
• Trolley sound — 2018-12-23
• Sword fight sound — 2016-09-25
• Trolley sound — 2016-02-10
• Streetcar sound — 2013-12-08
• Trolley sound — 2011-11-29
• Trolley sound — 2011-07-24
• Trolley sound — 2011-06-12
• Chuck wagon bell sound — 2008-05-17
• Trolley sound — 2008-02-19
• Worrisome mechanical sound — 2006-10-15
• Cowbell sound — 2006-03-26
• Bell sound — 2005-07-01
• Be jarring — 2001-11-04
• Brassy sound — 2000-04-22
• Repeated word in "The Trolley Song" — 1999-01-22
• Trolley sound — 1995-11-01
• Trolley sound — 1995-06-20
• Jail door sound — 1995-05-29