The Blue Hearts

[5] Its members were Hiroto Kōmoto (vocalist), Masatoshi Mashima (guitarist), Junnosuke Kawaguchi (bassist) and Tetsuya Kajiwara (drummer).

Though they started on an independent label, each album sold more copies than the previous one, with their last recording selling in the millions.

Other songs, including "Train-Train", "Owaranai Uta" and "Hito ni Yasashiku", have been featured in the Konami arcade games Drummania and Guitar Freaks.

They were seen as controversial in Japan,[6] where antics such as using the taboo Japanese word for crazy, and spitting on television cameras got them banned from TV for a year.

Kawaguchi became a record producer and occasionally plays support for several bands, in 2009 he became the deputy director of propaganda for the Happiness Realization Party.