Hello, I am a noobie in here. I have wrote an scientific article about the Romanian dance music and the Numa Numa dance video found in Newgrounds is one of the sources. I know that it was removed and there is an explanation in this link: https://www.newgrounds.com/wiki/about-newgrounds/history/stories/numa-numa
I suggest to put and highlight the explanation link on the video page. This video is a historical event and you should not have taken it, but at least put the above explanation link on the video page.