This video is made by a "DJ" with two turntables and a variety of musical equipment. He is showing how to do the "butterfly scratch" which is a type of scratch that DJ doES on vinyl records to create certain sounds while mixing records together. It is often heard in hip hop songs. There are diagrams in the video window showing musical notes and variations. The instructor goes through the entire process of how to do the butterfly scratch, while showing different tips to maximize your performance. You would definitely need prior DJ experience to understand this video.
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