There are five bands with the name Ruins: 1) A Japanese prog-rock duo
2) An Australian Black Metal duo
3) A 4-piece Black/Thrash Metal Band from Germany
4) A Canadian Deathcore band
5) An Italian electro/new wave duo
6) A German crust band Ruins (Japanese) is a bass-&-drum duo that formed in Tokyo, Japan, in 1985. They are usually pigeonholed into the category of prog rock. The only constant member of Ruins is the drummer/vocalist Tatsuya Yoshida (吉田達也, Yoshida Tatsuya), who has cycled through four different bassists since the band’s inception.