Jack of All Trades is a rock and metal band from Sweden that draws on diverse influences spanning alternative, hip-hop, folk, and heavy metal. Their genre-crossing approach channels the eclecticism of Swedish heavy music through compositions that defy easy categorization.

Jack of Hearts is a heavy metal band from Germany that channels classic hard rock energy with powerful riffing and anthemic songwriting. Drawing on the rich tradition of German heavy metal, the project delivers hook-driven compositions with a modern edge.

Jack-Knife is a heavy metal band from the United Kingdom that delivers aggressive, hard-hitting metal with a no-frills approach. Their stripped-down style channels the raw energy of classic British heavy metal traditions.

Jackal is a heavy metal band from Denmark that delivers aggressive, riff-driven metal with a raw and uncompromising edge. Their Danish take on extreme metal channels the cold intensity of Scandinavian heavy music traditions.

JackRebel is a Ukrainian metal band playing what they call Iron Rock n Roll, whose work has been deeply affected by the ongoing war in their country. Their discography from Drink & Fight (2014) through JackRebel on Tour (2024) channels defiant energy with explicit support for Ukrainian troops, describing themselves as aged and hardened under the conditions of the largest rock and roll show of our time.

Jaded Heart is a melodic metal and hard rock band from Germany with a career spanning multiple decades of the European melodic metal scene. Known for their polished songwriting and soaring vocal performances, they have built a loyal following through consistent albums blending power metal melodies with hard rock accessibility.

Jaded Star is a symphonic/progressive metal band from Athens, Greece, founded by Maxi Nil, formerly of Visions of Atlantis. Their albums Memories From The Future (2015), mixed by Fredrik Nordstrom at Fredman Studios, and Realign (2020) have earned them European tour slots alongside Epica, Moonspell, and Delain.

Jaggernaut is a heavy metal band from Sweden whose dark, aggressive compositions channel the intensity of the Swedish extreme metal tradition. Their extensive discography including Immortal and Distorted Heavens demonstrates a prolific approach to heavy, uncompromising metal.

Jaguar is a NWOBHM-era heavy metal band from the United Kingdom, part of the iconic New Wave of British Heavy Metal movement. Their classic approach to heavy metal helped define the sound of British metal in its formative years and continues to influence the genre.