Enka is a Japanese folk music usually popular and listen among older generation. One of the biggest break through that is occuring right now in Japan is that this new emerging artist name Jero is generating a lot of hype.
1) One reason is that he is an African American, born in Pensylvenia USA. Understanding that no Japanese kids listen or sings enka songs, having an American coming into this genre is a break-through.
2) This kid is amazing. Enka is very hard to sing and this type of music requires clear pronunciation of Japanese. He must have picked up his Japanese skills really well from his grand mother.
3) Having a huge break-through in this genre, where it is typically hard for any Japanese artist to be successful (due to its conservative nature), Jero must be very skilled.