When you think about the music business today, you probably don't think about how whistling has played a part in music over the years. Whistling is something that most of us can do to some extent and there are some of us who are very good whistlers and more of us who are not good whistlers. Whistling has been used a lot in country music for example over years by people like Marty Robbins and Slim Whitman back in the '50's and '60's. Being able to whistle in key is not as easy as it might seem. The below video demonstrates how much whistling has been used over the years. See for yourself and feel free to whistle along.