Gardenia is a heavy/thrash metal band from Moscow, Russia, active since 2008 and delivering aggressive, riff-driven metal from the Russian capital for nearly two decades. The project channels classic thrash and heavy metal intensity.

Gargamax is a heavy and industrial metal band from Vaasa, Finland, active since 2009, combining mechanized heaviness with traditional metal aggression. Their sound fuses the cold precision of industrial metal with the weight and impact of heavy metal.

Gargantuan Blade is a traditional doom metal band from Lappeenranta, Finland, formed in 2022 by Samuel Wormius, Nikolem Kolemaios, William Warden, and Rex Torr, delivering old-school, straight-up doom with fantasy-themed imagery. Their self-titled debut features four tracks of massive, deliberate riffing evoking dungeon-crawling adventure, including the nearly thirteen-minute Spectral Pillagers.

Garou is a heavy/thrash metal band from Baena in Cordoba province, Spain, formed in 2020, whose name references the werewolf of French folklore. The band brings aggressive metal to the Andalusian interior.

Garra is a heavy metal band from Alicante on Spain's Mediterranean coast, formed in 2012, whose name means "claw" in Spanish. The band has maintained over a decade of classic heavy metal from the Costa Blanca.

Gaskin is a NWOBHM/heavy metal band from Scunthorpe in Lincolnshire, formed in 2022. They channel the spirit of the New Wave of British Heavy Metal from the North Lincolnshire industrial town.

Chernihiv-based heavy metal and hard rock act formed in 2016, delivering classic metal energy from northern Ukraine. Their riff-driven approach channels the timeless power of traditional heavy metal and rock.

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Gate 9 is a doom/heavy/stoner metal band from Horten on the Oslofjord, active since 2002. Over two decades of doom and stoner metal from the Vestfold coast make them one of Norway's most enduring acts in the genre.