Glowsun is a stoner metal and psychedelic rock trio from Lille, France, formed in 2012, known for spherical, atmospheric compositions blending stoner rock, doom, and psychedelic melodies. Their third album Behind the Wall of Time (2015) was released via Napalm Records, featuring extended instrumental passages and enormous atmospheric compositions.

Glum is a groove/thrash metal band from Odense, Denmark, formed in 2007, combining groove metal's heavy rhythmic assault with thrash metal's speed. The band has built nearly two decades of activity from Hans Christian Andersen's hometown.

Glumurphonel is a solo industrial black metal project from France, formed in 2020, merging the mechanical harshness of industrial music with black metal's ferocity. Releases include Demo I and Father, channeling avant-garde aggression through a solitary creative vision.

Glut! is a brutal death metal band from Camarinas in Galicia, Spain, formed in 2015, delivering punishing death metal from the remote northwestern Atlantic coast. The band channels brutality from the Celtic fringe of Spain.

Gluttony is a death metal band from Split, Croatia, formed in 2014. They deliver death metal from the ancient Dalmatian port city on the Adriatic coast.

Kyiv melodic death metal project formed in 2020, weaving melodic guitar work through death metal's aggressive framework from Ukraine's capital. Their approach carries the emotional resonance of the Scandinavian melodic death metal tradition.

Glyphe is a melodic black metal project from Nantes and Angers, France, formed in 2025, representing a fresh entry in the French melodic black metal scene. Their sound blends the raw aggression of black metal with melodic harmony and atmospheric depth.

Gladje is a black metal project from Poznan, formed in 2019. Their Swedish name — meaning 'joy' — creates an ironic contrast with their black metal from the Greater Poland capital.

Glädjekällor is a black metal band from Malmö, Sweden, active since 2011 and whose name ironically means "sources of joy" in Swedish, channeling anything but joy through raw, aggressive black metal. The project delivers dark extremity from southern Sweden.