12:06 is a groove metal band from Boston, Massachusetts, releasing a four-track EP in 2016 that opens with the politically charged "Not a Government Toy." The band's confrontational stance carries through track titles that don't mince words, delivering heavy grooves with a punk-informed directness. Their sound is rooted in the working-class tradition of Boston heavy music.

12Gaugedentalwork is a death metal act from Denver, Colorado, releasing two EPs totaling 15 tracks since 2024. With songs like "Sewer Wretch," "Slow Drip From The Attic," and "Necronomicum," the band trades in grimy, horror-tinged death metal. Their output places them in Denver's growing extreme metal underground.

13 Candles is a traditional heavy metal band from Dix Hills on Long Island, New York, active since 2014 with a 13-track full-length. The band plays classic, riff-driven heavy metal in the NWOBHM tradition, with tracks like "Disbelievers" and "Xenomorph" nodding to the genre's sci-fi and horror roots. Their sound keeps the flame of traditional metal burning on Long Island.

Hollis, Maine black metal project whose name evokes over a decade of New England cold. Rural Maine providing the perfect backdrop for atmospheric darkness.

137 is a sludge metal project that relocated from Petoskey, Michigan to the Rochester/Canandaigua area of New York, releasing an eight-track debut in 2024. The album features unconventional instrumentation — including bass clarinet — woven into a framework of crushing sludge. The project brings an experimental, avant-garde approach to heavy, distorted music.

Erupting from the Pittsburgh hardcore scene in 2015, 156/Silence fuse the poetic intensity of post-hardcore with the aggression of mathcore and metallic hardcore. Named after a measure count on a piece of sheet music, the band channels chaotic energy through dissonant riffs and visceral screams. Their atmospheric yet punishing sound has made them torchbearers for Pittsburgh's resurgent heavy music community.

16 is a sludge metal institution from Los Angeles, California, with a massive catalog spanning ten releases and over 100 tracks since 2009. The band is one of the defining acts of the LA sludge scene, dealing in nihilistic, feedback-drenched heaviness that has influenced countless bands. Their prolific output and uncompromising vision have made them a cornerstone of American sludge metal.

1733 is a thrash metal band from Dallas, Texas, debuting in 2020 with a seven-track release featuring songs like "Osiris" and "Unhittable." The band plays sharp, riff-forward thrash metal with a focus on tight execution and mythological themes. They are part of the Dallas-Fort Worth area's thriving thrash metal revival.

1913 is a death metal and deathcore act from San Antonio, Texas, active since 2014. Their eight-track release features lowercase song titles like "peru," "more," and "americana" that hint at themes beyond typical genre fare. The band's name evokes historical weight, fitting for music that carries both brutality and gravity.