Make sure that you do not use copyrighted music without permission. There are many websites specializing in low-cost music for video soundtracks. Look for royalty-free music, but bear in mind that royalty-free does not mean completely free, it just means that the cost is not based on how many times the music is heard. This type of video is designed to show the product in use by customers, this helps potential buyers understand the product better and see what it can do.
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