Sun Mass is a stoner/doom metal band from Kansas City, Missouri, formed in 2023, delivering slow, ceremonial riff cycles that evoke a sense of ritual weight and sprawling, sun-bleached heaviness.

Sun of Grey is a doom/stoner metal band from Colorado Springs, Colorado, formed in 2017, drawing on the high-altitude bleakness of the Front Range in their slow, fuzzed-out compositions.

Sun Rot is a sludge/doom metal band from Tempe, Arizona, formed in 2019, channeling the punishing heat and decay of the desert Southwest into slow, oppressive riffing and corrosive low-end tone.

Sun Scarred is an experimental post-metal band from Cincinnati, Ohio, formed in 2024, pushing metal's textural and structural boundaries through unconventional song architecture and atmospheric density.

Sun Speaker is a Phoenix, Arizona act formed in 2018 that blends blackened melodic death metal with deathcore, pairing soaring melodic leads with blast-driven aggression and heavy breakdowns.

Sun Splitter is a Chicago, Illinois sludge/doom and industrial noise outfit formed in 2010 in the Bridgeport neighborhood, fusing the crushing weight of sludge metal with abrasive industrial textures and noise elements.

San Jose's Sunami have become the undisputed champions of modern beatdown hardcore, delivering anvil-heavy riffs and earth-shaking breakdowns that have made their live shows some of the most physically intense experiences in the entire hardcore world. Their self-titled 2022 EP and Flatspot Records releases distill hardcore down to its most primal, pit-destroying essence, with vocalist Julian Corrales's ferocious delivery driving songs built for maximum crowd violence. Sunami's no-frills, caveman-riff approach has resonated far beyond the hardcore scene, earning them crossover appeal and massive festival bookings.

Sunbuilder is a heavy metal band from Cleveland, Ohio, formed in 2020, drawing on a range of metal styles to craft a sound rooted in the city's long tradition of blue-collar hard rock and metal.

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.