Based in the Wissahickon Valley area of Pennsylvania and active since 2019, Thy Vast Despair deliver cold, atmospheric black metal that fits naturally into Pennsylvania's rich extreme underground. The band's geographic anchor in a forested, creek-carved valley lends a certain natural bleakness to music that traffics in grandeur and emptiness.

Los Altos, California's Thy Virtual Machine combine death metal's brutality with grindcore's blazing tempo and compressed fury, taking their conceptually unusual name from computing infrastructure and applying it to some of the most extreme sounds the genre intersection can produce. Formed in 2020 in the heart of Silicon Valley, they're a wry intrusion of tech-culture nomenclature into the underground.

Providence, Rhode Island's Thy Will Be Done have been at the groove metal and metalcore crossroads since 2013, building songs around thick, mid-tempo riffs and the rhythmic swagger that puts groove at the center of their attack. Providence has a fierce independent music tradition, and the band's decade-plus tenure there reflects a commitment to heavy music in a city that takes its underground seriously.

A Pittsburgh, Pennsylvania black metal act formed in 2024, Thy Woe arrive from a city with a long and respected extreme metal history, contributing to a tradition of cold, uncompromising underground music that Pittsburgh has quietly sustained for decades. Young but deliberate, they channel the genre's misanthropic atmosphere with the bluntness implied by their name.

Crystal Lake, Illinois's Thyateira have been weaving melodic death metal's dual-guitar harmony and emotional intensity together with metalcore's structural urgency since 2011, building a sound that carries traces of both the Gothenburg scene and the American metalcore movement. Their longevity in a Chicago suburb rather than the city proper gives the band a certain scrappy, scene-independent character.

A Baltimore, Maryland sludge metal band formed in 2024, Thyre wades into the slow-burning, feedback-drenched territory the genre demands, operating in a city with a deeply rooted tradition of heavy, abrasive underground music. Still newly formed, they bring the oppressive weight and abrasive textures of sludge to Baltimore's already formidable extreme music landscape.

Cheboygan, Michigan's Thyst have been dealing in straight-ahead death metal since 2017, coming from one of Michigan's smaller northern cities where the isolation seems to have fed a direct, unfussy approach to extreme music. Far from any major Midwest metal hub, the band carries the genre's core values — heaviness, speed, and riff density — without the genre-blurring that proximity to bigger scenes often encourages.

New York-based Thætas deal in the abrasive intersection of technical and brutal death metal, building their sound around precision-demolition riffing and inhuman rhythmic complexity. Formed in 2016, they represent the more surgically violent end of the East Coast underground.

Austin instrumental psych/stoner rock trio performing improvised heavy jams since 1999.