S.I.N. craft melodic progressive metal from Pforzheim, blending intricate arrangements with accessible melodic hooks. Their southwestern German outfit delivers the technical sophistication of progressive metal without sacrificing emotional impact.

S4SA craft progressive heavy metal from the French underground, building elaborate compositions. Active since 2017, they bring formula-driven ambition to the French progressive metal scene.

S91 explore progressive metal from the Tuscan village of Montecarlo near Lucca since 2017. Their clinical, numerical name contrasts with the rustic beauty of their surroundings, hinting at a precisely engineered sound.

Formed in 2020 in Ried im Innkreis, Upper Austria, Sacred Serenity plays progressive death/thrash metal with lyrical themes rooted in religion, spiritualism, and social criticism. Released through Darker Realms Records, their albums "Crossroads" and "Synapse" draw on old-school progressive death traditions while incorporating thrashing intensity.

Sadastor blend black metal with progressive metal from the French underground, pushing beyond conventional structures since 2001. Their quarter-century career makes them veterans of the French experimental black metal scene.

Sadraen craft progressive and groove metal from the Picardy city of Amiens, building intricate compositions from northern France. Active since 2014, they bring cathedral-city ambition to the French progressive scene.

Gothenburg's Saffire explore progressive heavy metal from Sweden's metal capital since 2022. Their gemstone-fire name channels the internal luminescence of precious stones into compositions of technical ambition from the West Coast.

Sagas craft atmospheric and progressive black metal from Heppenheim in Hesse, building expansive compositions that prioritize mood and texture over sheer aggression. Their Biological Radio-affiliated output explores the more cerebral, contemplative corners of black metal.

Samuli Federley creates progressive metal and shred from Helsinki, showcasing virtuosic guitar work and complex arrangements. Formed in 2023, his solo project brings technical ambition to the Finnish progressive scene.