SolNegre ("Black Sun" in Catalan) forge doom/death metal from the Balearic Islands, combining crushing weight with the Mediterranean island atmosphere. Formed in 2023, they bring Balearic darkness to the Spanish doom scene.

Solothus have been channeling death/doom metal from the coastal Finnish town of Parainen since 2011, building crushing compositions from the Turku archipelago. Their island-adjacent origins lend a maritime weight to their devastating sound.

Solsaate blend blackened folk metal from an undisclosed Swedish location since 2008. Nearly two decades of channeling their sun-derived name into compositions that merge Scandinavian folk tradition with black metal intensity.

Solstafir are an Icelandic heavy rock and post-metal band formed in Reykjavik in 1995, originally rooted in black metal before evolving into a sweeping and highly atmospheric sound. Their early work carried a rawer extreme-metal charge, but records such as Masterpiece of Bitterness, Kold, Svartir Sandar, and Otta opened the music into long-form emotional landscapes built on repetition, melancholy melodies, and dramatic dynamic shifts. The band's Icelandic identity is central to its atmosphere: stark weather, open space, and folk-like melodic phrasing run through the guitar lines and vocals without turning the music into conventional folk metal. Solstafir's songs often unfold gradually, using post-rock patience and metal weight to build tension rather than chasing speed. Later albums, including Berdreyminn, Endless Twilight of Codependent Love, and Hin helga kval, continued to combine blackened roots, anthemic rock, and cinematic heaviness into a sound that feels rugged, mournful, and expansive.

Solstice craft progressive metal from Frankfurt, building elaborate compositions that mark the turning points between light and darkness. Active since 2013, they represent the cerebral, technically ambitious side of the Hessian metal scene.

Solus Rex pair death and doom metal from an undisclosed Swedish location since 2024. Their Latin name meaning "lone king" channels the isolation of sovereign rule into compositions of freshly-minted, crushing duality.

Solution 13 deliver groove metal from Oulu, channeling rhythmic heaviness from the northern Finnish city. Active since 2015, they bring mathematical solutions to the Ostrobothnia groove scene.

Solvent Abuse deal in death metal and grindcore from Berlin, their chemical-huffing name reflecting the toxic intensity of their extreme output. Formed in 2020, they bring caustic aggression to the German capital's underground.

Severodvinsk's Solza Mist craft atmospheric post-black metal from Russia's submarine-building center since 2017. Their tear-mist name and Arctic shipyard origins channel the fog of sorrow over the White Sea into immersive compositions.