Philadelphia depressive black metal project formed in 2015, inhabiting the raw, emotionally harrowing corner of the black metal spectrum defined by minimalist production and themes of despair.

Harrisburg, Pennsylvania industrial gothic metal band formed in 2016, combining the mechanical textures and electronic elements of industrial metal with the dark romanticism and atmospheric depth of gothic metal.

Sumerlands is a Philadelphia, Pennsylvania heavy metal band formed in 2016, led by guitarist Arthur Rizk and celebrated for their lush, riff-driven sound that pays homage to 1980s epic and occult heavy metal traditions.

Summanus is a Philadelphia, Pennsylvania blackened death metal band formed in 2021, drawing on the name of the Roman deity of nocturnal thunder to frame a sound that merges black metal atmosphere with death metal ferocity.

Sunburster is a Philadelphia, Pennsylvania sludge/doom/stoner metal band formed in 2012, combining the grime and aggression of sludge with the slow, narcotic groove of stoner and doom.

Sunreaver is a blackened death metal band from Pennsburg, Pennsylvania, formed in 2018, fusing the ferocity of death metal with the cold malevolence of black metal in a style that draws on both American and European extreme metal traditions.

Doylestown, Pennsylvania's Superheaven (formerly known as Daylight) craft a crushing, fuzz-drenched brand of shoegaze-inflected grunge that channels the heavy melancholy of Hum, Swervedriver, and early Smashing Pumpkins. Their 2015 album 'Ours Is Chrome' is a masterclass in balancing overwhelming distortion with gorgeous melody, creating a wall of sound that feels simultaneously crushing and transcendent. Superheaven's brand of heavy, emotionally resonant shoegaze has earned them a devoted following among fans who crave guitars that are both beautiful and punishingly loud.

Supernatural Elimination is a death metal band from Downingtown, Pennsylvania, formed in 2020 and trafficking in the direct, unadorned brutality that defines underground death metal.

Supervoid is a Pittsburgh, Pennsylvania band formed in 2012, blending sludge and stoner metal with psychedelic textures to produce dense, slow-burning soundscapes that reflect the gritty character of the city's underground scene.