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Good the Bad and The Ugly main theme by Ennio Morricone.

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This is the best whistle song ever but warning !!!!!NSFW!!!!!

Tears of a Clown by Smokey Robinson

Whistle while you twerk by yin yang twins

Dammit now I cant stop whistling that song.

Ahhhhh the obvious one is Whistle While You Work.

Heigh Ho

Whatever that song is with the photoshopped cowboy screeching in the sky.

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Home by Edward Shape and the Magnetic Zero's

Peter Yorn I can't think of the name of the song though

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