Deletion of Nintendocore (6th nomination)

Comment: The second and third AFD's both seem to have reliable sources that discuss this topic in depth. While they're not in the article, they do seem to exist. Is there any reason why these sources aren't acceptable per the 
Stance: comment
Cited policy: Wikipedia:Notability (WP:GNG)

Comment: If this can be made into an artice about the genre, using significant coverage from multiple |reliable sources then it should stay. If it's going to remain an advert for Horse the Band, then it should go (or at best be merged). At present it's worthless
Stance: comment
Cited policy: Wikipedia:Reliable sources (WP:RS)