User blog comment:ThelegendofImpaTheLastSheikah/The return of wikivision!/@comment-24830549-20150611193739/@comment-26839206-20150611195344

you can use all songs that you were using for wikivision 4 and you can use any song by a artist that was already in one of the previous wikivision aslong as it is not that song that was in the competition

for example. "Fall out boys - Centuries" isn't allowed but other song FA: "Fall Out Boys - My songs know what you did in the dark" is allowed.