For years the "whistle" has been added to popular songs. Icons like the Beatles, Otis Redding, Guns N' Roses and more have utilized whistling in their songs and have ended up creating classics (

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This year, three singles are rising to the forefront for their catchiness and Top 40 appeal. But one other thing they have in common is their use of whistling. Which one does it best or is simply, the best song?
