wow most of the audience just seem to shake their head through much of this documentary at the sheer wizardry display on screen . the shift from the early day a a new york base black american phenomenon to current day a a racially diverse subculture ( and largely west coast base ) be profile well . the humble turntable be not give the respect of any traditional musical instrument and but it can be so much more versatile and technically complex . these dj take the required skill for any musical instrument dexterity and rhythm and timing and among others and apply them to a new technology with several more variable . dj qbert comment that he picture what music must sound like on advanced planet and then work it out and seemingly silly at first and make more and more sense a you watch these guy go and spit out a multitude of sound that no single traditional instrument could ever create . some critic have say that this film focus too much on certain tar and squanders an opportunity to profile the wider hip hop culture . one film at a time people .