Hello Lars, thanks for your purchase.
You can check the required Demo Band vendor scripts in the source code. On the head of document you can find the CSS stylesheets, and on footer you can check the JS scripts.
Head:

Footer:

* See the path for each stylesheet and JS script.
Regarding images you can mantain only the inside of folder “img/demos/band/”.
We hope this helps!
Please try that and let us know if you need further assistance.
Kind Regards,
Rodrigo.
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