[Touya]

I don't know, but from what was rumored Ju-Ken was just there because Yoshi-chan hadn't had time to have Sugizo prerecord the bass line? I mean I know Sugi-chan plays bass but that's kind of abusive. However, when you think about it, Yoshi-chan did it all the time for X Japan when he should have played both drum and piano at the same time one was prerecorded.