Polish band Obsidian Mantra just released its debut album, the intricate and massive Existential Gravity. Clocking in at fifty-four minutes, it demonstrates more than well enough their compositional and playing skills as musicians. The sort of progressive death metal they play is reminiscent of Florida’s RXYZYXR, but also of Montréal’s Gorguts. On the one hand, Obsidian Mantra have heavy grooves and plenty of odd-time signatures, as well as a very interesting set of uneven repetitions of motives. On the other hand, it lacks the melodic hooks found on LMNTS, in favour of exclusively harsh vocals and deeper dissonant … Read more