I've never been particularly effective at whistling. Some people can't whistle -at all-, I produce a shallow 'blowy/breathy' whistle, which has about 1/4 of an octave range. That article describes the ...
Some Durango-area residents say the train whistle is louder this summer compared with previous years, but the Durango & Silverton Narrow Gauge Railroad says the historic sound is unchanged. Durango ...
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