“Korn was doing their 30th anniversary show with Gojira. I was like, ‘I have to go give Christian a guitar, and I have to give Head a guitar’”: Tetrarch on the joy of handing out signature models to their heroes and designing metal’s gnarliest tones

Josh Fore and Diamond Rowe of Tetrarch pose with their weapons of choice. Fore holds white ESP singlecut, while Rowe has her signature Monarkh from Jackson.

Tetrarch’s co-founding guitarists – Diamond Rowe and Josh Fore – started making music together nearly 20 years ago when they were still middle-school kids in Atlanta.

Over the years, they’ve developed a sixth-sense intuition where they’re finishing each other’s sentences and locking in sympatico through the groove-bombed, peak-nu-metal-inspired arrangements of the now-L.A.-based outfit’s latest and third full-length, The Ugly Side of Me.