Historical clue formulations

• Play loudly, as from a speaker — 2026-05-04
• Play loudly, as from a speaker — 2025-12-30
• Trumpet blast — 2025-06-09
• Siren call? — 2025-01-11
• Trumpet — 2024-04-28
• Boombox sound — 2022-10-01
• Trumpet's sound — 2022-06-14
• Siren's wail, e.g. — 2020-09-29
• Sound loudly, as a trumpet — 2019-08-12
• Loudly project — 2019-03-17
• Play loudly, as music — 2019-01-29
• Roar — 2018-11-22
• Megaphone noise — 2017-10-12
• *Announce with great fanfare — 2017-08-30
• Trumpet — 2017-08-28
• Play loudly — 2016-12-08
• Trumpet — 2014-10-16
• Trumpet — 2014-03-04
• Proclaim vociferously — 2013-04-09
• Sound over a subway's public address system, e.g. — 2012-11-12
• Loudspeaker's sound — 2011-05-14
• Trumpet — 2010-04-25
• Bit of noise pollution — 2009-02-27
• Proclaim loudly — 2005-08-30
• Trumpet sound — 2003-12-21
• Roar — 2003-05-30
• Traffic jam noise — 2003-04-08
• Loudspeaker sound (and a letter bank for 60-Across) — 2002-02-28
• Sound loudly — 2001-08-26
• Trumpet emanation — 1999-10-12
• Tantara — 1999-10-08
• Proclaim noisily — 1998-08-21
• Be loud, as a radio — 1998-07-13
• Trumpet — 1995-06-05
• Trumpet's sound — 1995-03-31
• Boombox sound — 1994-08-15