Board Thread:Questions and Answers/@comment-25648422-20180501131544/@comment-25648422-20180502110903

To be fair, the YouTube video preview seems to be the superior one among all video previews. If you embedded a Niconico video, a YouTube video, a SoundCloud track, and a piapro track in either the Infobox song or the Derivatives template, the YouTube video is the one that will take over. It just happens.