G.I.S.M.

G.I.S.M. was a Japanese Hardcore PunkHeavy Metal band from Tokyo, formed in 1981. The band split after Randy Uchida's death in 2001.
After more than a decade of silence G.I.S.M. played a show at the 2016 Roadburn Festival in Tilburg, Netherlands. It was their first show ever outside of Japan.
In the last years, G.I.S.M. was a guitarless trio formation, sometimes without Sakevi.

The acronym G.I.S.M. can stand for: Guerilla Incendiary Sabotage Mutineer, God In the Schizoid Mind, Gay Individual Social Mean, Gnostic Idiosyncracy Sonic Militant, etc.