Los Angeles quartet Tetrarch are one of metal’s hottest new properties. The release of the single I’m Not Right in 2020 brought with it a sizeable amount of hype, with significant radio play in the U.S. and streaming numbers stretching into the millions. Unstable, the band’s second full-length, reflects its creators’ newcomer status, displaying some frustrating inconsistency, but also an intense and at times rather enterprising approach to modern metal. That breakthrough single opens proceedings rather grimly, with frontman Josh Fore’s solemn vocal declaration – ‘Looking in the mirror and I hate myself’ – giving way to a strong, radio-ready nu-metalcore chorus. It’s good, but Pushed Down – this album’s best song – is even better. It’s got aggression and groove in equal...