Frontierer is an abrasive and pioneering band in the genre of experimental metalcore and mathcore, which was formed in 2012. The group is an international collaboration between members from the United Kingdom and the United States, known for their discordant, intensely technical, and sonically overwhelming style of music. Their sound is characterized by a relentless barrage of guitars, complex programming, and ferocious vocal delivery which has been pushing the boundaries of heavy music since their inception.

The band saw a significant surge in attention with their 2015 release, "Orange Mathematics," a record that has been lauded for its innovative approach to metal and its dense, intricate soundscapes. Following the success of their debut, Frontierer continued to expand their auditory assault with albums like "Unloved" in 2018 and "Oxidized" in 2021. These releases, along with singles such as "Opaque Horizon," "Glacial Plasma," "The Molten Larva," and "The Collapse," have cemented Frontierer's standing as a force of nature within the extreme music community, captivating audiences with their incendiary performances and unwavering commitment to pushing the envelope of heavy music.