http://urbandictionary.i2p/define.php?term=j-core
The bands, that play in this genre are: Typhoon24 (with Tatsuzo from YKZ ), YKZ, Rize , Foojin etc. YKZs the j-core band , they rock . by S09 March 2, 2007 Flag Get the j-core mug. Advertise here! J-core J-core is a term used worldwide for Japanese-Core, referring to Dance and Happy Hardcore .