It is possible to include videos or music in your item and sell it for more money, depending on the item and the platform you are using to sell it.
For example, if you are selling a physical product, you could include a video demonstration of the product in the listing to help potential buyers understand how to use it. If you are selling a digital product, you could include a video tutorial or an audio recording as part of the package.
However, it's important to note that if you are planning to include copyrighted music or videos in your product, you will need to obtain the necessary permissions or licenses to use that material legally. Failing to do so could result in legal issues.
Additionally, it is also important to check the terms of service of the platform you are using to sell the product to ensure that you are allowed to include videos or music in the item you are selling.
If you are planning to sell an item which includes your own original music or video, you may be able to charge more for it as it is your own original work, and it will be considered as an added value for the product.