Maywood, California's Sin play traditional heavy metal from the Los Angeles metro area, formed in 2014 and operating under the same sin7ven online presence as their New York namesake. Their Southern California location situates them within a region with a storied hard rock and heavy metal history.

Covington, Kentucky's Sin have practiced black metal since 2014, sitting just across the Ohio River from Cincinnati in a region not particularly known for the genre's cold aesthetic. Their black metal approach and Northern Kentucky base give the project a distinctly out-of-place, isolationist quality.

A groove and thrash metal band formed in 2016 with Colorado roots but Los Angeles ties, Sin Eater deliver the kind of pit-ready, mid-paced brutality that groove metal demands alongside the speed and aggression thrash contributes to the mix. Their sineaterofficial Bandcamp presence reflects a band serious about building an audience.

Columbus, Ohio's Sin Nombre — the name meaning "no name" in Spanish — have been marinating in the thick intersection of sludge and stoner metal since 2013. Their Midwestern locale adds a certain grey industrial weight to a sound already defined by heaviness, heat, and deliberate, grinding momentum.

Sin Pudor is a thrash metal and punk band from Bogotá, Colombia, active since 2005. They released the EP "Lasciva Intoxicación" in 2015 and have issued several singles and split releases, with lyrical themes centered on LGBTQ+ rights, gender expression, feminism, and anti-fascism. The band operates independently and has built a catalog of politically charged material through digital releases on their Bandcamp page.

Akron, Ohio's Sin-Eater pursue death metal with the industrial-city grit that the Rust Belt town lends to everything it produces. Formed in 2016, they share an online presence with their Colorado-based namesake, creating some confusion, but their death metal allegiance sets them clearly apart.

Intense Metalcore from Fort Worth.

Wind Gap, Pennsylvania's Since the Fire have played metalcore since 2016, emerging from a small Lehigh Valley town where the genre's intensity likely provided a potent contrast to rural quiet. Their music fits squarely within the modern metalcore tradition of aggressive riffing paired with melodic dynamics.

Scranton, Pennsylvania's Since the Light blend thrash and death metal into a hybrid that's been active since 2011, drawing on the aggression of both genres while the former mining city's blue-collar character lends their sound an earned toughness. The death-thrash intersection they occupy rewards fans of both genres' most brutal tendencies.