Attention (bugle call)

"Attention" is a bugle call sounded as a warning that troops are about to be called to attention .

"Attention" was also used for custom automobile horns in the 1930s and 1940s, and is most recognizable for that reason.

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An image showing the music notation for the British Alarm
This is taken from the British Alarm, at which call the troops turned out under arms. Play