An curved arrow pointing right. Whether it be at a ball game, at a bar, or any other sort of crowded venue, knowing how to do "that whistle" will command everyone's attention. Take control.

This factory whistle is no ordinary whistle — it has gone into the Guinness Book of World Records for producing the world's loudest music without amplification from a nonmusical instrument.

It often can be heard for miles into the countryside. New York Wire factory whistle: 'The world's loudest music without amplification from a non-musical instrument' The whistle concert is held at ...