Put it at the very start of an alert-style edit, then follow it with the Bell Ding to mark the message that follows, and save the Dramatic Dun Dun Dun for the reveal at the end.
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This 17-second clip holds the custom chimes of a Whelen WPS-4004 outdoor warning siren, clean bright electronic notes rising and falling in a steady musical pattern with a slightly mechanical edge. It feels serious and attention-grabbing, like a public alert cutting across a town. The siren comes from Whelen Engineering, whose systems broadcast tests and weather warnings, and recordings from installations such as Washington, Missouri, are shared by siren enthusiasts.