Hardcore music, a genre that evolved from punk rock, is characterized by its fast-paced, aggressive sound and often, its anti-establishment ethos. Over the years, it has branched out into various sub-genres and has influenced numerous cultural and musical movements worldwide.

Released in 2018, Japanese Stream Hardcore Vol. 9 (sometimes cataloged as JSH009) is a relentless showcase of the genre's raw power. The tracklist reads like a call to arms: