Synthwailer blend symphonic power and heavy metal from Tampere, combining orchestral grandeur with wailing intensity. Formed in 2021, they bring synthesized lamentation to the Pirkanmaa metal scene.

Syntra forge heavy metal from Witten in the Ruhr Valley, channeling classic metal energy from the Westphalian industrial heartland. Active since 2016, they bring synthesized metal fury to the North Rhine-Westphalia scene.

Synystry blend black and doom metal from the Spanish underground, channeling the sinister weight of both genres. Formed in 2019, they bring dual-genre darkness to the Iberian extreme scene.

Sypherion craft progressive symphonic metal from Barcelona, building elaborate, orchestral compositions from the Catalan capital. Active since 2016, they bring coded grandeur to the Mediterranean progressive scene.

Syphilis have been dealing in thrash and death metal from the Bavarian town of Winhoring since 2003, their disease name reflecting the genre's tradition of morbid nomenclature. Their two decades of activity represent a sustained commitment to extreme metal from rural Upper Bavaria.

Syphonvision deliver melodic death metal from the Arctic city of Rovaniemi, combining Scandinavian melodeath with siphoned, filtered intensity. Active since 2018, they bring Lapland vision to the Finnish melodeath landscape.

Bergen, Norway's Syrach formed in 1993, developing a heavy and crushing strain of death-doom metal characterized by down-tuned riffs, hypnotic drumming, and raw vocals. The band signed to Napalm Records and released albums including A Dark Burial and Days of Wrath (2007), establishing them as a consistent force in the Norwegian doom underground. Their lyrical content gravitates toward themes of death, evil, and anti-Christianity, and the band has been inactive in recent years.

Syranic blend metalcore with melodic death metal from Aachen, combining modern breakdowns with Scandinavian melodeath's harmonic sophistication. Active since 2010, they bring hybrid intensity to the Euregio tri-border region.

Syrdhem play heavy metal from the Asturian town of Llanera, channeling classic metal energy from the green mountains of northern Spain. Active since 2002, they've spent over two decades bringing traditional metal to the Cantabrian landscape.