how to whistle

First,listen to this song:



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okay fine I'm just messing with you.this song has absolutely no link at all,just to mess with you haha.

BUT



the first few seconds are creepy.

or you could try this: http://www.wikihow.com/Whistle

or this:http://artofmanliness.com/2012/04/08/how-to-whistle-with-your-fingers/

meanwhile,I'm going to go learn how to whistle with fingers.